Home / 3,179,417.87-4,387,502.70-1,802,887.27

Finding the Fourth Proportional to 3,179,417.87, 4,387,502.70 and 1,802,887.27

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Solution

The fourth proportional to 3,179,417.87, 4,387,502.70 and 1,802,887.27 is: 2,487,931.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,179,417.87 : 4,387,502.70 = 1,802,887.27 : x
  2. Step 2: Convert to fraction form
    3,179,417.87/4,387,502.70 = 1,802,887.27/x
  3. Step 3: Cross multiply
    3,179,417.87x = 4,387,502.70 × 1,802,887.27
  4. Step 4: Simplify right side
    3,179,417.87x = 7,910,172,753,951.87
  5. Step 5: Solve for x
    x = 7,910,172,753,951.87/3,179,417.87
  6. Step 6: Final answer
    x = 2,487,931.15

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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.