Home / 1,886,422.20-2,829,414.60-538,792.80

Finding the Fourth Proportional to 1,886,422.20, 2,829,414.60 and 538,792.80

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Solution

The fourth proportional to 1,886,422.20, 2,829,414.60 and 538,792.80 is: 808,126.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,886,422.20 : 2,829,414.60 = 538,792.80 : x
  2. Step 2: Convert to fraction form
    1,886,422.20/2,829,414.60 = 538,792.80/x
  3. Step 3: Cross multiply
    1,886,422.20x = 2,829,414.60 × 538,792.80
  4. Step 4: Simplify right side
    1,886,422.20x = 1,524,468,214,694.88
  5. Step 5: Solve for x
    x = 1,524,468,214,694.88/1,886,422.20
  6. Step 6: Final answer
    x = 808,126.74

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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.