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Finding the Fourth Proportional to 2,340,432.30, 3,281,028.90 and 2,340,432.30

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Solution

The fourth proportional to 2,340,432.30, 3,281,028.90 and 2,340,432.30 is: 3,281,028.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,340,432.30 : 3,281,028.90 = 2,340,432.30 : x
  2. Step 2: Convert to fraction form
    2,340,432.30/3,281,028.90 = 2,340,432.30/x
  3. Step 3: Cross multiply
    2,340,432.30x = 3,281,028.90 × 2,340,432.30
  4. Step 4: Simplify right side
    2,340,432.30x = 7,679,026,014,793.47
  5. Step 5: Solve for x
    x = 7,679,026,014,793.47/2,340,432.30
  6. Step 6: Final answer
    x = 3,281,028.90

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.