Home / 2,915,134.28-4,022,874.86-1,625,973.68

Finding the Fourth Proportional to 2,915,134.28, 4,022,874.86 and 1,625,973.68

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Solution

The fourth proportional to 2,915,134.28, 4,022,874.86 and 1,625,973.68 is: 2,243,837.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,915,134.28 : 4,022,874.86 = 1,625,973.68 : x
  2. Step 2: Convert to fraction form
    2,915,134.28/4,022,874.86 = 1,625,973.68/x
  3. Step 3: Cross multiply
    2,915,134.28x = 4,022,874.86 × 1,625,973.68
  4. Step 4: Simplify right side
    2,915,134.28x = 6,541,088,640,293.69
  5. Step 5: Solve for x
    x = 6,541,088,640,293.69/2,915,134.28
  6. Step 6: Final answer
    x = 2,243,837.85

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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.