Home / 2,221,106.47-3,331,863.02-623,658.78

Finding the Fourth Proportional to 2,221,106.47, 3,331,863.02 and 623,658.78

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Solution

The fourth proportional to 2,221,106.47, 3,331,863.02 and 623,658.78 is: 935,545.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,221,106.47 : 3,331,863.02 = 623,658.78 : x
  2. Step 2: Convert to fraction form
    2,221,106.47/3,331,863.02 = 623,658.78/x
  3. Step 3: Cross multiply
    2,221,106.47x = 3,331,863.02 × 623,658.78
  4. Step 4: Simplify right side
    2,221,106.47x = 2,077,945,627,739.46
  5. Step 5: Solve for x
    x = 2,077,945,627,739.46/2,221,106.47
  6. Step 6: Final answer
    x = 935,545.26

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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.