Home / 1,982,626.11-2,736,159.36-1,123,193.43

Finding the Fourth Proportional to 1,982,626.11, 2,736,159.36 and 1,123,193.43

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Solution

The fourth proportional to 1,982,626.11, 2,736,159.36 and 1,123,193.43 is: 1,550,083.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,982,626.11 : 2,736,159.36 = 1,123,193.43 : x
  2. Step 2: Convert to fraction form
    1,982,626.11/2,736,159.36 = 1,123,193.43/x
  3. Step 3: Cross multiply
    1,982,626.11x = 2,736,159.36 × 1,123,193.43
  4. Step 4: Simplify right side
    1,982,626.11x = 3,073,236,216,585.00
  5. Step 5: Solve for x
    x = 3,073,236,216,585.00/1,982,626.11
  6. Step 6: Final answer
    x = 1,550,083.60

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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.