Home / 4,860,869.60-7,290,613.20-1,666,143.20

Finding the Fourth Proportional to 4,860,869.60, 7,290,613.20 and 1,666,143.20

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Solution

The fourth proportional to 4,860,869.60, 7,290,613.20 and 1,666,143.20 is: 2,498,977.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,860,869.60 : 7,290,613.20 = 1,666,143.20 : x
  2. Step 2: Convert to fraction form
    4,860,869.60/7,290,613.20 = 1,666,143.20/x
  3. Step 3: Cross multiply
    4,860,869.60x = 7,290,613.20 × 1,666,143.20
  4. Step 4: Simplify right side
    4,860,869.60x = 12,147,205,607,010.24
  5. Step 5: Solve for x
    x = 12,147,205,607,010.24/4,860,869.60
  6. Step 6: Final answer
    x = 2,498,977.88

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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.