Home / 2,827,974.38-3,902,571.83-1,538,792.55

Finding the Fourth Proportional to 2,827,974.38, 3,902,571.83 and 1,538,792.55

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Solution

The fourth proportional to 2,827,974.38, 3,902,571.83 and 1,538,792.55 is: 2,123,515.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,827,974.38 : 3,902,571.83 = 1,538,792.55 : x
  2. Step 2: Convert to fraction form
    2,827,974.38/3,902,571.83 = 1,538,792.55/x
  3. Step 3: Cross multiply
    2,827,974.38x = 3,902,571.83 × 1,538,792.55
  4. Step 4: Simplify right side
    2,827,974.38x = 6,005,248,461,690.85
  5. Step 5: Solve for x
    x = 6,005,248,461,690.85/2,827,974.38
  6. Step 6: Final answer
    x = 2,123,515.87

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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.