Home / 3,986,543.70-5,979,815.55-3,678,614.10

Finding the Fourth Proportional to 3,986,543.70, 5,979,815.55 and 3,678,614.10

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Solution

The fourth proportional to 3,986,543.70, 5,979,815.55 and 3,678,614.10 is: 5,517,921.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,986,543.70 : 5,979,815.55 = 3,678,614.10 : x
  2. Step 2: Convert to fraction form
    3,986,543.70/5,979,815.55 = 3,678,614.10/x
  3. Step 3: Cross multiply
    3,986,543.70x = 5,979,815.55 × 3,678,614.10
  4. Step 4: Simplify right side
    3,986,543.70x = 21,997,433,797,629.25
  5. Step 5: Solve for x
    x = 21,997,433,797,629.25/3,986,543.70
  6. Step 6: Final answer
    x = 5,517,921.15

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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.