Home / 5,119,498.32-7,676,276.52-2,423,800.78

Finding the Fourth Proportional to 5,119,498.32, 7,676,276.52 and 2,423,800.78

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Solution

The fourth proportional to 5,119,498.32, 7,676,276.52 and 2,423,800.78 is: 3,634,294.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,119,498.32 : 7,676,276.52 = 2,423,800.78 : x
  2. Step 2: Convert to fraction form
    5,119,498.32/7,676,276.52 = 2,423,800.78/x
  3. Step 3: Cross multiply
    5,119,498.32x = 7,676,276.52 × 2,423,800.78
  4. Step 4: Simplify right side
    5,119,498.32x = 18,605,765,016,671.68
  5. Step 5: Solve for x
    x = 18,605,765,016,671.68/5,119,498.32
  6. Step 6: Final answer
    x = 3,634,294.58

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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.