Home / 1,982,892.96-2,736,170.19-1,123,269.12

Finding the Fourth Proportional to 1,982,892.96, 2,736,170.19 and 1,123,269.12

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Solution

The fourth proportional to 1,982,892.96, 2,736,170.19 and 1,123,269.12 is: 1,549,985.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,982,892.96 : 2,736,170.19 = 1,123,269.12 : x
  2. Step 2: Convert to fraction form
    1,982,892.96/2,736,170.19 = 1,123,269.12/x
  3. Step 3: Cross multiply
    1,982,892.96x = 2,736,170.19 × 1,123,269.12
  4. Step 4: Simplify right side
    1,982,892.96x = 3,073,455,481,491.53
  5. Step 5: Solve for x
    x = 3,073,455,481,491.53/1,982,892.96
  6. Step 6: Final answer
    x = 1,549,985.57

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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.