Home / 2,305,030.38-3,177,984.87-1,890,038.18

Finding the Fourth Proportional to 2,305,030.38, 3,177,984.87 and 1,890,038.18

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Solution

The fourth proportional to 2,305,030.38, 3,177,984.87 and 1,890,038.18 is: 2,605,828.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,305,030.38 : 3,177,984.87 = 1,890,038.18 : x
  2. Step 2: Convert to fraction form
    2,305,030.38/3,177,984.87 = 1,890,038.18/x
  3. Step 3: Cross multiply
    2,305,030.38x = 3,177,984.87 × 1,890,038.18
  4. Step 4: Simplify right side
    2,305,030.38x = 6,006,512,723,872.41
  5. Step 5: Solve for x
    x = 6,006,512,723,872.41/2,305,030.38
  6. Step 6: Final answer
    x = 2,605,828.01

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Double scale
Find fourth proportional to 2,305,031.38, 3,177,986.25 and 1,890,039.18
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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.