Home / 3,979,805.60-5,492,150.22-2,261,020.40

Finding the Fourth Proportional to 3,979,805.60, 5,492,150.22 and 2,261,020.40

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Solution

The fourth proportional to 3,979,805.60, 5,492,150.22 and 2,261,020.40 is: 3,120,218.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,979,805.60 : 5,492,150.22 = 2,261,020.40 : x
  2. Step 2: Convert to fraction form
    3,979,805.60/5,492,150.22 = 2,261,020.40/x
  3. Step 3: Cross multiply
    3,979,805.60x = 5,492,150.22 × 2,261,020.40
  4. Step 4: Simplify right side
    3,979,805.60x = 12,417,863,687,284.49
  5. Step 5: Solve for x
    x = 12,417,863,687,284.49/3,979,805.60
  6. Step 6: Final answer
    x = 3,120,218.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.