Home / 4,287,849.12-5,920,000.56-2,657,989.92

Finding the Fourth Proportional to 4,287,849.12, 5,920,000.56 and 2,657,989.92

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Solution

The fourth proportional to 4,287,849.12, 5,920,000.56 and 2,657,989.92 is: 3,669,742.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,287,849.12 : 5,920,000.56 = 2,657,989.92 : x
  2. Step 2: Convert to fraction form
    4,287,849.12/5,920,000.56 = 2,657,989.92/x
  3. Step 3: Cross multiply
    4,287,849.12x = 5,920,000.56 × 2,657,989.92
  4. Step 4: Simplify right side
    4,287,849.12x = 15,735,301,814,874.35
  5. Step 5: Solve for x
    x = 15,735,301,814,874.35/4,287,849.12
  6. Step 6: Final answer
    x = 3,669,742.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.