Home / 3,976,972.80-5,490,259.20-2,694,566.40

Finding the Fourth Proportional to 3,976,972.80, 5,490,259.20 and 2,694,566.40

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Solution

The fourth proportional to 3,976,972.80, 5,490,259.20 and 2,694,566.40 is: 3,719,881.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,976,972.80 : 5,490,259.20 = 2,694,566.40 : x
  2. Step 2: Convert to fraction form
    3,976,972.80/5,490,259.20 = 2,694,566.40/x
  3. Step 3: Cross multiply
    3,976,972.80x = 5,490,259.20 × 2,694,566.40
  4. Step 4: Simplify right side
    3,976,972.80x = 14,793,867,967,610.88
  5. Step 5: Solve for x
    x = 14,793,867,967,610.88/3,976,972.80
  6. Step 6: Final answer
    x = 3,719,881.61

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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.