Home / 5,320,584.90-7,980,877.35-3,194,820.90

Finding the Fourth Proportional to 5,320,584.90, 7,980,877.35 and 3,194,820.90

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Solution

The fourth proportional to 5,320,584.90, 7,980,877.35 and 3,194,820.90 is: 4,792,231.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,320,584.90 : 7,980,877.35 = 3,194,820.90 : x
  2. Step 2: Convert to fraction form
    5,320,584.90/7,980,877.35 = 3,194,820.90/x
  3. Step 3: Cross multiply
    5,320,584.90x = 7,980,877.35 × 3,194,820.90
  4. Step 4: Simplify right side
    5,320,584.90x = 25,497,473,758,116.61
  5. Step 5: Solve for x
    x = 25,497,473,758,116.61/5,320,584.90
  6. Step 6: Final answer
    x = 4,792,231.35

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Similar ratio
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1.5x scale

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.