Home / 1,930,229.86-2,664,036.52-1,071,066.92

Finding the Fourth Proportional to 1,930,229.86, 2,664,036.52 and 1,071,066.92

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Solution

The fourth proportional to 1,930,229.86, 2,664,036.52 and 1,071,066.92 is: 1,478,249.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,930,229.86 : 2,664,036.52 = 1,071,066.92 : x
  2. Step 2: Convert to fraction form
    1,930,229.86/2,664,036.52 = 1,071,066.92/x
  3. Step 3: Cross multiply
    1,930,229.86x = 2,664,036.52 × 1,071,066.92
  4. Step 4: Simplify right side
    1,930,229.86x = 2,853,361,390,243.92
  5. Step 5: Solve for x
    x = 2,853,361,390,243.92/1,930,229.86
  6. Step 6: Final answer
    x = 1,478,249.53

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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.