Home / 2,119,572.46-3,179,367.92-680,474.52

Finding the Fourth Proportional to 2,119,572.46, 3,179,367.92 and 680,474.52

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Solution

The fourth proportional to 2,119,572.46, 3,179,367.92 and 680,474.52 is: 1,020,714.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,119,572.46 : 3,179,367.92 = 680,474.52 : x
  2. Step 2: Convert to fraction form
    2,119,572.46/3,179,367.92 = 680,474.52/x
  3. Step 3: Cross multiply
    2,119,572.46x = 3,179,367.92 × 680,474.52
  4. Step 4: Simplify right side
    2,119,572.46x = 2,163,478,860,966.58
  5. Step 5: Solve for x
    x = 2,163,478,860,966.58/2,119,572.46
  6. Step 6: Final answer
    x = 1,020,714.74

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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.