Home / 6,251,987.76-9,377,879.28-1,992,098.40

Finding the Fourth Proportional to 6,251,987.76, 9,377,879.28 and 1,992,098.40

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Solution

The fourth proportional to 6,251,987.76, 9,377,879.28 and 1,992,098.40 is: 2,988,114.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,251,987.76 : 9,377,879.28 = 1,992,098.40 : x
  2. Step 2: Convert to fraction form
    6,251,987.76/9,377,879.28 = 1,992,098.40/x
  3. Step 3: Cross multiply
    6,251,987.76x = 9,377,879.28 × 1,992,098.40
  4. Step 4: Simplify right side
    6,251,987.76x = 18,681,658,309,081.15
  5. Step 5: Solve for x
    x = 18,681,658,309,081.15/6,251,987.76
  6. Step 6: Final answer
    x = 2,988,114.98

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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.