Home / 2,186,143.70-3,279,215.55-1,123,261.70

Finding the Fourth Proportional to 2,186,143.70, 3,279,215.55 and 1,123,261.70

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Solution

The fourth proportional to 2,186,143.70, 3,279,215.55 and 1,123,261.70 is: 1,684,892.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,186,143.70 : 3,279,215.55 = 1,123,261.70 : x
  2. Step 2: Convert to fraction form
    2,186,143.70/3,279,215.55 = 1,123,261.70/x
  3. Step 3: Cross multiply
    2,186,143.70x = 3,279,215.55 × 1,123,261.70
  4. Step 4: Simplify right side
    2,186,143.70x = 3,683,417,233,359.43
  5. Step 5: Solve for x
    x = 3,683,417,233,359.43/2,186,143.70
  6. Step 6: Final answer
    x = 1,684,892.55

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Similar ratio
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.