Home / 3,986,781.60-5,980,172.40-1,462,108.80

Finding the Fourth Proportional to 3,986,781.60, 5,980,172.40 and 1,462,108.80

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Solution

The fourth proportional to 3,986,781.60, 5,980,172.40 and 1,462,108.80 is: 2,193,163.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,986,781.60 : 5,980,172.40 = 1,462,108.80 : x
  2. Step 2: Convert to fraction form
    3,986,781.60/5,980,172.40 = 1,462,108.80/x
  3. Step 3: Cross multiply
    3,986,781.60x = 5,980,172.40 × 1,462,108.80
  4. Step 4: Simplify right side
    3,986,781.60x = 8,743,662,691,557.12
  5. Step 5: Solve for x
    x = 8,743,662,691,557.12/3,986,781.60
  6. Step 6: Final answer
    x = 2,193,163.20

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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.