Home / 5,258,290.55-7,885,959.60-1,665,158.90

Finding the Fourth Proportional to 5,258,290.55, 7,885,959.60 and 1,665,158.90

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Solution

The fourth proportional to 5,258,290.55, 7,885,959.60 and 1,665,158.90 is: 2,497,270.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,258,290.55 : 7,885,959.60 = 1,665,158.90 : x
  2. Step 2: Convert to fraction form
    5,258,290.55/7,885,959.60 = 1,665,158.90/x
  3. Step 3: Cross multiply
    5,258,290.55x = 7,885,959.60 × 1,665,158.90
  4. Step 4: Simplify right side
    5,258,290.55x = 13,131,375,812,980.44
  5. Step 5: Solve for x
    x = 13,131,375,812,980.44/5,258,290.55
  6. Step 6: Final answer
    x = 2,497,270.87

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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.