Home / 1,424,882.70-2,132,658.45-1,107,621.90

Finding the Fourth Proportional to 1,424,882.70, 2,132,658.45 and 1,107,621.90

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Solution

The fourth proportional to 1,424,882.70, 2,132,658.45 and 1,107,621.90 is: 1,657,806.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,424,882.70 : 2,132,658.45 = 1,107,621.90 : x
  2. Step 2: Convert to fraction form
    1,424,882.70/2,132,658.45 = 1,107,621.90/x
  3. Step 3: Cross multiply
    1,424,882.70x = 2,132,658.45 × 1,107,621.90
  4. Step 4: Simplify right side
    1,424,882.70x = 2,362,179,204,440.06
  5. Step 5: Solve for x
    x = 2,362,179,204,440.06/1,424,882.70
  6. Step 6: Final answer
    x = 1,657,806.08

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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.