Home / 3,187,979.20-4,782,255.97-1,029,055.50

Finding the Fourth Proportional to 3,187,979.20, 4,782,255.97 and 1,029,055.50

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Solution

The fourth proportional to 3,187,979.20, 4,782,255.97 and 1,029,055.50 is: 1,543,675.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,187,979.20 : 4,782,255.97 = 1,029,055.50 : x
  2. Step 2: Convert to fraction form
    3,187,979.20/4,782,255.97 = 1,029,055.50/x
  3. Step 3: Cross multiply
    3,187,979.20x = 4,782,255.97 × 1,029,055.50
  4. Step 4: Simplify right side
    3,187,979.20x = 4,921,206,808,336.34
  5. Step 5: Solve for x
    x = 4,921,206,808,336.34/3,187,979.20
  6. Step 6: Final answer
    x = 1,543,675.95

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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.