Home / 1,982,697.65-2,736,113.19-1,123,255.88

Finding the Fourth Proportional to 1,982,697.65, 2,736,113.19 and 1,123,255.88

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Solution

The fourth proportional to 1,982,697.65, 2,736,113.19 and 1,123,255.88 is: 1,550,087.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,982,697.65 : 2,736,113.19 = 1,123,255.88 : x
  2. Step 2: Convert to fraction form
    1,982,697.65/2,736,113.19 = 1,123,255.88/x
  3. Step 3: Cross multiply
    1,982,697.65x = 2,736,113.19 × 1,123,255.88
  4. Step 4: Simplify right side
    1,982,697.65x = 3,073,355,229,013.06
  5. Step 5: Solve for x
    x = 3,073,355,229,013.06/1,982,697.65
  6. Step 6: Final answer
    x = 1,550,087.69

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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.