Home / 3,420,487.59-4,720,200.12-1,871,743.10

Finding the Fourth Proportional to 3,420,487.59, 4,720,200.12 and 1,871,743.10

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Solution

The fourth proportional to 3,420,487.59, 4,720,200.12 and 1,871,743.10 is: 2,582,965.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,420,487.59 : 4,720,200.12 = 1,871,743.10 : x
  2. Step 2: Convert to fraction form
    3,420,487.59/4,720,200.12 = 1,871,743.10/x
  3. Step 3: Cross multiply
    3,420,487.59x = 4,720,200.12 × 1,871,743.10
  4. Step 4: Simplify right side
    3,420,487.59x = 8,835,001,981,628.17
  5. Step 5: Solve for x
    x = 8,835,001,981,628.17/3,420,487.59
  6. Step 6: Final answer
    x = 2,582,965.66

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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.