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Finding the Fourth Proportional to 3,669,319.15, 5,503,978.73 and 2,234,428.45

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Solution

The fourth proportional to 3,669,319.15, 5,503,978.73 and 2,234,428.45 is: 3,351,642.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,669,319.15 : 5,503,978.73 = 2,234,428.45 : x
  2. Step 2: Convert to fraction form
    3,669,319.15/5,503,978.73 = 2,234,428.45/x
  3. Step 3: Cross multiply
    3,669,319.15x = 5,503,978.73 × 2,234,428.45
  4. Step 4: Simplify right side
    3,669,319.15x = 12,298,246,662,506.87
  5. Step 5: Solve for x
    x = 12,298,246,662,506.87/3,669,319.15
  6. Step 6: Final answer
    x = 3,351,642.68

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Double scale
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Similar ratio
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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.