Home / 5,280,330.80-7,920,496.20-4,217,448.80

Finding the Fourth Proportional to 5,280,330.80, 7,920,496.20 and 4,217,448.80

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Solution

The fourth proportional to 5,280,330.80, 7,920,496.20 and 4,217,448.80 is: 6,326,173.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,280,330.80 : 7,920,496.20 = 4,217,448.80 : x
  2. Step 2: Convert to fraction form
    5,280,330.80/7,920,496.20 = 4,217,448.80/x
  3. Step 3: Cross multiply
    5,280,330.80x = 7,920,496.20 × 4,217,448.80
  4. Step 4: Simplify right side
    5,280,330.80x = 33,404,287,194,094.56
  5. Step 5: Solve for x
    x = 33,404,287,194,094.56/5,280,330.80
  6. Step 6: Final answer
    x = 6,326,173.20

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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.