Home / 5,376,909.90-7,420,067.46-2,929,622.88

Finding the Fourth Proportional to 5,376,909.90, 7,420,067.46 and 2,929,622.88

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Solution

The fourth proportional to 5,376,909.90, 7,420,067.46 and 2,929,622.88 is: 4,042,842.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,376,909.90 : 7,420,067.46 = 2,929,622.88 : x
  2. Step 2: Convert to fraction form
    5,376,909.90/7,420,067.46 = 2,929,622.88/x
  3. Step 3: Cross multiply
    5,376,909.90x = 7,420,067.46 × 2,929,622.88
  4. Step 4: Simplify right side
    5,376,909.90x = 21,737,999,401,959.48
  5. Step 5: Solve for x
    x = 21,737,999,401,959.48/5,376,909.90
  6. Step 6: Final answer
    x = 4,042,842.41

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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.