Home / 5,376,908.90-7,420,066.08-2,929,621.88

Finding the Fourth Proportional to 5,376,908.90, 7,420,066.08 and 2,929,621.88

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Solution

The fourth proportional to 5,376,908.90, 7,420,066.08 and 2,929,621.88 is: 4,042,841.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,376,908.90 : 7,420,066.08 = 2,929,621.88 : x
  2. Step 2: Convert to fraction form
    5,376,908.90/7,420,066.08 = 2,929,621.88/x
  3. Step 3: Cross multiply
    5,376,908.90x = 7,420,066.08 × 2,929,621.88
  4. Step 4: Simplify right side
    5,376,908.90x = 21,737,987,939,013.83
  5. Step 5: Solve for x
    x = 21,737,987,939,013.83/5,376,908.90
  6. Step 6: Final answer
    x = 4,042,841.03

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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.