Home / 2,785,945.52-4,178,918.28-791,142.32

Finding the Fourth Proportional to 2,785,945.52, 4,178,918.28 and 791,142.32

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Solution

The fourth proportional to 2,785,945.52, 4,178,918.28 and 791,142.32 is: 1,186,713.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,785,945.52 : 4,178,918.28 = 791,142.32 : x
  2. Step 2: Convert to fraction form
    2,785,945.52/4,178,918.28 = 791,142.32/x
  3. Step 3: Cross multiply
    2,785,945.52x = 4,178,918.28 × 791,142.32
  4. Step 4: Simplify right side
    2,785,945.52x = 3,306,119,103,129.61
  5. Step 5: Solve for x
    x = 3,306,119,103,129.61/2,785,945.52
  6. Step 6: Final answer
    x = 1,186,713.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.