Home / 2,942,180.15-4,413,263.72-783,205.74

Finding the Fourth Proportional to 2,942,180.15, 4,413,263.72 and 783,205.74

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Solution

The fourth proportional to 2,942,180.15, 4,413,263.72 and 783,205.74 is: 1,174,806.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,942,180.15 : 4,413,263.72 = 783,205.74 : x
  2. Step 2: Convert to fraction form
    2,942,180.15/4,413,263.72 = 783,205.74/x
  3. Step 3: Cross multiply
    2,942,180.15x = 4,413,263.72 × 783,205.74
  4. Step 4: Simplify right side
    2,942,180.15x = 3,456,493,473,721.72
  5. Step 5: Solve for x
    x = 3,456,493,473,721.72/2,942,180.15
  6. Step 6: Final answer
    x = 1,174,806.88

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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.