Home / 2,761,039.80-4,142,008.46-815,965.74

Finding the Fourth Proportional to 2,761,039.80, 4,142,008.46 and 815,965.74

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Solution

The fourth proportional to 2,761,039.80, 4,142,008.46 and 815,965.74 is: 1,224,081.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,761,039.80 : 4,142,008.46 = 815,965.74 : x
  2. Step 2: Convert to fraction form
    2,761,039.80/4,142,008.46 = 815,965.74/x
  3. Step 3: Cross multiply
    2,761,039.80x = 4,142,008.46 × 815,965.74
  4. Step 4: Simplify right side
    2,761,039.80x = 3,379,737,009,335.46
  5. Step 5: Solve for x
    x = 3,379,737,009,335.46/2,761,039.80
  6. Step 6: Final answer
    x = 1,224,081.23

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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.