Home / 3,318,487.20-4,972,201.20-3,119,421.60

Finding the Fourth Proportional to 3,318,487.20, 4,972,201.20 and 3,119,421.60

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Solution

The fourth proportional to 3,318,487.20, 4,972,201.20 and 3,119,421.60 is: 4,673,934.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,318,487.20 : 4,972,201.20 = 3,119,421.60 : x
  2. Step 2: Convert to fraction form
    3,318,487.20/4,972,201.20 = 3,119,421.60/x
  3. Step 3: Cross multiply
    3,318,487.20x = 4,972,201.20 × 3,119,421.60
  4. Step 4: Simplify right side
    3,318,487.20x = 15,510,391,822,825.92
  5. Step 5: Solve for x
    x = 15,510,391,822,825.92/3,318,487.20
  6. Step 6: Final answer
    x = 4,673,934.50

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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.