Home / 2,761,931.43-4,142,897.45-842,852.70

Finding the Fourth Proportional to 2,761,931.43, 4,142,897.45 and 842,852.70

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Solution

The fourth proportional to 2,761,931.43, 4,142,897.45 and 842,852.70 is: 1,264,279.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,761,931.43 : 4,142,897.45 = 842,852.70 : x
  2. Step 2: Convert to fraction form
    2,761,931.43/4,142,897.45 = 842,852.70/x
  3. Step 3: Cross multiply
    2,761,931.43x = 4,142,897.45 × 842,852.70
  4. Step 4: Simplify right side
    2,761,931.43x = 3,491,852,297,341.35
  5. Step 5: Solve for x
    x = 3,491,852,297,341.35/2,761,931.43
  6. Step 6: Final answer
    x = 1,264,279.14

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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.