Home / 3,690,912.60-5,536,368.90-3,318,903.90

Finding the Fourth Proportional to 3,690,912.60, 5,536,368.90 and 3,318,903.90

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Solution

The fourth proportional to 3,690,912.60, 5,536,368.90 and 3,318,903.90 is: 4,978,355.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,690,912.60 : 5,536,368.90 = 3,318,903.90 : x
  2. Step 2: Convert to fraction form
    3,690,912.60/5,536,368.90 = 3,318,903.90/x
  3. Step 3: Cross multiply
    3,690,912.60x = 5,536,368.90 × 3,318,903.90
  4. Step 4: Simplify right side
    3,690,912.60x = 18,374,676,334,048.71
  5. Step 5: Solve for x
    x = 18,374,676,334,048.71/3,690,912.60
  6. Step 6: Final answer
    x = 4,978,355.85

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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.