Home / 2,221,512.10-3,065,686.79-1,202,916.85

Finding the Fourth Proportional to 2,221,512.10, 3,065,686.79 and 1,202,916.85

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Solution

The fourth proportional to 2,221,512.10, 3,065,686.79 and 1,202,916.85 is: 1,660,025.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,221,512.10 : 3,065,686.79 = 1,202,916.85 : x
  2. Step 2: Convert to fraction form
    2,221,512.10/3,065,686.79 = 1,202,916.85/x
  3. Step 3: Cross multiply
    2,221,512.10x = 3,065,686.79 × 1,202,916.85
  4. Step 4: Simplify right side
    2,221,512.10x = 3,687,766,282,834.61
  5. Step 5: Solve for x
    x = 3,687,766,282,834.61/2,221,512.10
  6. Step 6: Final answer
    x = 1,660,025.30

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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.