Home / 2,761,698.80-4,142,695.82-868,587.86

Finding the Fourth Proportional to 2,761,698.80, 4,142,695.82 and 868,587.86

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Solution

The fourth proportional to 2,761,698.80, 4,142,695.82 and 868,587.86 is: 1,302,928.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,761,698.80 : 4,142,695.82 = 868,587.86 : x
  2. Step 2: Convert to fraction form
    2,761,698.80/4,142,695.82 = 868,587.86/x
  3. Step 3: Cross multiply
    2,761,698.80x = 4,142,695.82 × 868,587.86
  4. Step 4: Simplify right side
    2,761,698.80x = 3,598,295,282,078.79
  5. Step 5: Solve for x
    x = 3,598,295,282,078.79/2,761,698.80
  6. Step 6: Final answer
    x = 1,302,928.21

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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.