Home / 4,115,420.90-5,679,629.74-2,280,454.80

Finding the Fourth Proportional to 4,115,420.90, 5,679,629.74 and 2,280,454.80

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Solution

The fourth proportional to 4,115,420.90, 5,679,629.74 and 2,280,454.80 is: 3,147,220.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,115,420.90 : 5,679,629.74 = 2,280,454.80 : x
  2. Step 2: Convert to fraction form
    4,115,420.90/5,679,629.74 = 2,280,454.80/x
  3. Step 3: Cross multiply
    4,115,420.90x = 5,679,629.74 × 2,280,454.80
  4. Step 4: Simplify right side
    4,115,420.90x = 12,952,138,902,805.75
  5. Step 5: Solve for x
    x = 12,952,138,902,805.75/4,115,420.90
  6. Step 6: Final answer
    x = 3,147,220.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.