Home / 3,986,230.40-5,979,345.60-3,881,254.40

Finding the Fourth Proportional to 3,986,230.40, 5,979,345.60 and 3,881,254.40

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Solution

The fourth proportional to 3,986,230.40, 5,979,345.60 and 3,881,254.40 is: 5,821,881.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,986,230.40 : 5,979,345.60 = 3,881,254.40 : x
  2. Step 2: Convert to fraction form
    3,986,230.40/5,979,345.60 = 3,881,254.40/x
  3. Step 3: Cross multiply
    3,986,230.40x = 5,979,345.60 × 3,881,254.40
  4. Step 4: Simplify right side
    3,986,230.40x = 23,207,361,419,120.64
  5. Step 5: Solve for x
    x = 23,207,361,419,120.64/3,986,230.40
  6. Step 6: Final answer
    x = 5,821,881.60

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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.