Home / 1,428,115.73-2,127,330.55-1,350,764.61

Finding the Fourth Proportional to 1,428,115.73, 2,127,330.55 and 1,350,764.61

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Solution

The fourth proportional to 1,428,115.73, 2,127,330.55 and 1,350,764.61 is: 2,012,107.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,428,115.73 : 2,127,330.55 = 1,350,764.61 : x
  2. Step 2: Convert to fraction form
    1,428,115.73/2,127,330.55 = 1,350,764.61/x
  3. Step 3: Cross multiply
    1,428,115.73x = 2,127,330.55 × 1,350,764.61
  4. Step 4: Simplify right side
    1,428,115.73x = 2,873,522,830,377.78
  5. Step 5: Solve for x
    x = 2,873,522,830,377.78/1,428,115.73
  6. Step 6: Final answer
    x = 2,012,107.82

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.