Home / 3,418,305.60-5,127,458.40-2,142,847.20

Finding the Fourth Proportional to 3,418,305.60, 5,127,458.40 and 2,142,847.20

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Solution

The fourth proportional to 3,418,305.60, 5,127,458.40 and 2,142,847.20 is: 3,214,270.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,418,305.60 : 5,127,458.40 = 2,142,847.20 : x
  2. Step 2: Convert to fraction form
    3,418,305.60/5,127,458.40 = 2,142,847.20/x
  3. Step 3: Cross multiply
    3,418,305.60x = 5,127,458.40 × 2,142,847.20
  4. Step 4: Simplify right side
    3,418,305.60x = 10,987,359,875,556.48
  5. Step 5: Solve for x
    x = 10,987,359,875,556.48/3,418,305.60
  6. Step 6: Final answer
    x = 3,214,270.80

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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.