Home / 3,937,031.10-5,432,902.20-2,218,253.22

Finding the Fourth Proportional to 3,937,031.10, 5,432,902.20 and 2,218,253.22

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Solution

The fourth proportional to 3,937,031.10, 5,432,902.20 and 2,218,253.22 is: 3,061,076.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,937,031.10 : 5,432,902.20 = 2,218,253.22 : x
  2. Step 2: Convert to fraction form
    3,937,031.10/5,432,902.20 = 2,218,253.22/x
  3. Step 3: Cross multiply
    3,937,031.10x = 5,432,902.20 × 2,218,253.22
  4. Step 4: Simplify right side
    3,937,031.10x = 12,051,552,799,095.09
  5. Step 5: Solve for x
    x = 12,051,552,799,095.09/3,937,031.10
  6. Step 6: Final answer
    x = 3,061,076.35

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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.