Home / 1,515,884.16-2,091,865.32-836,806.08

Finding the Fourth Proportional to 1,515,884.16, 2,091,865.32 and 836,806.08

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Solution

The fourth proportional to 1,515,884.16, 2,091,865.32 and 836,806.08 is: 1,154,762.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,515,884.16 : 2,091,865.32 = 836,806.08 : x
  2. Step 2: Convert to fraction form
    1,515,884.16/2,091,865.32 = 836,806.08/x
  3. Step 3: Cross multiply
    1,515,884.16x = 2,091,865.32 × 836,806.08
  4. Step 4: Simplify right side
    1,515,884.16x = 1,750,485,618,317.15
  5. Step 5: Solve for x
    x = 1,750,485,618,317.15/1,515,884.16
  6. Step 6: Final answer
    x = 1,154,762.13

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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.