Home / 5,136,872.76-7,086,911.25-2,931,857.97

Finding the Fourth Proportional to 5,136,872.76, 7,086,911.25 and 2,931,857.97

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Solution

The fourth proportional to 5,136,872.76, 7,086,911.25 and 2,931,857.97 is: 4,044,837.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,136,872.76 : 7,086,911.25 = 2,931,857.97 : x
  2. Step 2: Convert to fraction form
    5,136,872.76/7,086,911.25 = 2,931,857.97/x
  3. Step 3: Cross multiply
    5,136,872.76x = 7,086,911.25 × 2,931,857.97
  4. Step 4: Simplify right side
    5,136,872.76x = 20,777,817,226,842.25
  5. Step 5: Solve for x
    x = 20,777,817,226,842.25/5,136,872.76
  6. Step 6: Final answer
    x = 4,044,837.82

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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.