Home / 6,474,945.60-9,712,418.40-1,986,638.40

Finding the Fourth Proportional to 6,474,945.60, 9,712,418.40 and 1,986,638.40

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Solution

The fourth proportional to 6,474,945.60, 9,712,418.40 and 1,986,638.40 is: 2,979,957.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,474,945.60 : 9,712,418.40 = 1,986,638.40 : x
  2. Step 2: Convert to fraction form
    6,474,945.60/9,712,418.40 = 1,986,638.40/x
  3. Step 3: Cross multiply
    6,474,945.60x = 9,712,418.40 × 1,986,638.40
  4. Step 4: Simplify right side
    6,474,945.60x = 19,295,063,350,306.56
  5. Step 5: Solve for x
    x = 19,295,063,350,306.56/6,474,945.60
  6. Step 6: Final answer
    x = 2,979,957.60

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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.