Home / 3,379,721.79-4,664,202.84-1,929,882.96

Finding the Fourth Proportional to 3,379,721.79, 4,664,202.84 and 1,929,882.96

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Solution

The fourth proportional to 3,379,721.79, 4,664,202.84 and 1,929,882.96 is: 2,663,345.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,379,721.79 : 4,664,202.84 = 1,929,882.96 : x
  2. Step 2: Convert to fraction form
    3,379,721.79/4,664,202.84 = 1,929,882.96/x
  3. Step 3: Cross multiply
    3,379,721.79x = 4,664,202.84 × 1,929,882.96
  4. Step 4: Simplify right side
    3,379,721.79x = 9,001,365,582,899.61
  5. Step 5: Solve for x
    x = 9,001,365,582,899.61/3,379,721.79
  6. Step 6: Final answer
    x = 2,663,345.13

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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.