Home / 3,690,579.60-5,535,869.40-1,989,968.40

Finding the Fourth Proportional to 3,690,579.60, 5,535,869.40 and 1,989,968.40

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Solution

The fourth proportional to 3,690,579.60, 5,535,869.40 and 1,989,968.40 is: 2,984,952.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,690,579.60 : 5,535,869.40 = 1,989,968.40 : x
  2. Step 2: Convert to fraction form
    3,690,579.60/5,535,869.40 = 1,989,968.40/x
  3. Step 3: Cross multiply
    3,690,579.60x = 5,535,869.40 × 1,989,968.40
  4. Step 4: Simplify right side
    3,690,579.60x = 11,016,205,172,526.96
  5. Step 5: Solve for x
    x = 11,016,205,172,526.96/3,690,579.60
  6. Step 6: Final answer
    x = 2,984,952.60

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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.