Home / 2,219,236.38-3,062,547.23-1,225,806.21

Finding the Fourth Proportional to 2,219,236.38, 3,062,547.23 and 1,225,806.21

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Solution

The fourth proportional to 2,219,236.38, 3,062,547.23 and 1,225,806.21 is: 1,691,613.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,219,236.38 : 3,062,547.23 = 1,225,806.21 : x
  2. Step 2: Convert to fraction form
    2,219,236.38/3,062,547.23 = 1,225,806.21/x
  3. Step 3: Cross multiply
    2,219,236.38x = 3,062,547.23 × 1,225,806.21
  4. Step 4: Simplify right side
    2,219,236.38x = 3,754,089,406,823.27
  5. Step 5: Solve for x
    x = 3,754,089,406,823.27/2,219,236.38
  6. Step 6: Final answer
    x = 1,691,613.13

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Double scale
Find fourth proportional to 2,219,237.38, 3,062,548.61 and 1,225,807.21
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.