Home / 3,690,665.60-5,535,998.40-3,359,991.20

Finding the Fourth Proportional to 3,690,665.60, 5,535,998.40 and 3,359,991.20

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Solution

The fourth proportional to 3,690,665.60, 5,535,998.40 and 3,359,991.20 is: 5,039,986.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,690,665.60 : 5,535,998.40 = 3,359,991.20 : x
  2. Step 2: Convert to fraction form
    3,690,665.60/5,535,998.40 = 3,359,991.20/x
  3. Step 3: Cross multiply
    3,690,665.60x = 5,535,998.40 × 3,359,991.20
  4. Step 4: Simplify right side
    3,690,665.60x = 18,600,905,907,214.08
  5. Step 5: Solve for x
    x = 18,600,905,907,214.08/3,690,665.60
  6. Step 6: Final answer
    x = 5,039,986.80

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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.