Home / 5,279,565.52-7,919,085.66-2,888,081.20

Finding the Fourth Proportional to 5,279,565.52, 7,919,085.66 and 2,888,081.20

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Solution

The fourth proportional to 5,279,565.52, 7,919,085.66 and 2,888,081.20 is: 4,331,978.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,279,565.52 : 7,919,085.66 = 2,888,081.20 : x
  2. Step 2: Convert to fraction form
    5,279,565.52/7,919,085.66 = 2,888,081.20/x
  3. Step 3: Cross multiply
    5,279,565.52x = 7,919,085.66 × 2,888,081.20
  4. Step 4: Simplify right side
    5,279,565.52x = 22,870,962,415,835.59
  5. Step 5: Solve for x
    x = 22,870,962,415,835.59/5,279,565.52
  6. Step 6: Final answer
    x = 4,331,978.14

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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.