Home / 3,948,918.38-5,918,899.68-1,814,592.28

Finding the Fourth Proportional to 3,948,918.38, 5,918,899.68 and 1,814,592.28

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Solution

The fourth proportional to 3,948,918.38, 5,918,899.68 and 1,814,592.28 is: 2,719,830.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,948,918.38 : 5,918,899.68 = 1,814,592.28 : x
  2. Step 2: Convert to fraction form
    3,948,918.38/5,918,899.68 = 1,814,592.28/x
  3. Step 3: Cross multiply
    3,948,918.38x = 5,918,899.68 × 1,814,592.28
  4. Step 4: Simplify right side
    3,948,918.38x = 10,740,389,665,422.47
  5. Step 5: Solve for x
    x = 10,740,389,665,422.47/3,948,918.38
  6. Step 6: Final answer
    x = 2,719,830.76

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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.