Home / 1,538,550.81-2,123,281.65-926,896.14

Finding the Fourth Proportional to 1,538,550.81, 2,123,281.65 and 926,896.14

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Solution

The fourth proportional to 1,538,550.81, 2,123,281.65 and 926,896.14 is: 1,279,165.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,538,550.81 : 2,123,281.65 = 926,896.14 : x
  2. Step 2: Convert to fraction form
    1,538,550.81/2,123,281.65 = 926,896.14/x
  3. Step 3: Cross multiply
    1,538,550.81x = 2,123,281.65 × 926,896.14
  4. Step 4: Simplify right side
    1,538,550.81x = 1,968,061,565,517.83
  5. Step 5: Solve for x
    x = 1,968,061,565,517.83/1,538,550.81
  6. Step 6: Final answer
    x = 1,279,165.79

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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.