Home / 2,918,597.60-4,377,910.98-1,319,288.24

Finding the Fourth Proportional to 2,918,597.60, 4,377,910.98 and 1,319,288.24

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Solution

The fourth proportional to 2,918,597.60, 4,377,910.98 and 1,319,288.24 is: 1,978,938.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,918,597.60 : 4,377,910.98 = 1,319,288.24 : x
  2. Step 2: Convert to fraction form
    2,918,597.60/4,377,910.98 = 1,319,288.24/x
  3. Step 3: Cross multiply
    2,918,597.60x = 4,377,910.98 × 1,319,288.24
  4. Step 4: Simplify right side
    2,918,597.60x = 5,775,726,471,680.88
  5. Step 5: Solve for x
    x = 5,775,726,471,680.88/2,918,597.60
  6. Step 6: Final answer
    x = 1,978,938.95

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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.