Home / 4,290,489.68-6,435,635.16-2,160,001.76

Finding the Fourth Proportional to 4,290,489.68, 6,435,635.16 and 2,160,001.76

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Solution

The fourth proportional to 4,290,489.68, 6,435,635.16 and 2,160,001.76 is: 3,239,952.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,290,489.68 : 6,435,635.16 = 2,160,001.76 : x
  2. Step 2: Convert to fraction form
    4,290,489.68/6,435,635.16 = 2,160,001.76/x
  3. Step 3: Cross multiply
    4,290,489.68x = 6,435,635.16 × 2,160,001.76
  4. Step 4: Simplify right side
    4,290,489.68x = 13,900,983,272,317.88
  5. Step 5: Solve for x
    x = 13,900,983,272,317.88/4,290,489.68
  6. Step 6: Final answer
    x = 3,239,952.62

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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.