Home / 2,187,002.30-3,281,487.60-988,307.60

Finding the Fourth Proportional to 2,187,002.30, 3,281,487.60 and 988,307.60

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Solution

The fourth proportional to 2,187,002.30, 3,281,487.60 and 988,307.60 is: 1,482,906.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,187,002.30 : 3,281,487.60 = 988,307.60 : x
  2. Step 2: Convert to fraction form
    2,187,002.30/3,281,487.60 = 988,307.60/x
  3. Step 3: Cross multiply
    2,187,002.30x = 3,281,487.60 × 988,307.60
  4. Step 4: Simplify right side
    2,187,002.30x = 3,243,119,134,385.76
  5. Step 5: Solve for x
    x = 3,243,119,134,385.76/2,187,002.30
  6. Step 6: Final answer
    x = 1,482,906.14

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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.