Home / 2,761,931.68-4,142,897.82-842,852.95

Finding the Fourth Proportional to 2,761,931.68, 4,142,897.82 and 842,852.95

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Solution

The fourth proportional to 2,761,931.68, 4,142,897.82 and 842,852.95 is: 1,264,279.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,761,931.68 : 4,142,897.82 = 842,852.95 : x
  2. Step 2: Convert to fraction form
    2,761,931.68/4,142,897.82 = 842,852.95/x
  3. Step 3: Cross multiply
    2,761,931.68x = 4,142,897.82 × 842,852.95
  4. Step 4: Simplify right side
    2,761,931.68x = 3,491,853,649,135.57
  5. Step 5: Solve for x
    x = 3,491,853,649,135.57/2,761,931.68
  6. Step 6: Final answer
    x = 1,264,279.52

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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.