Home / 3,548,331.90-5,321,915.46-989,720.91

Finding the Fourth Proportional to 3,548,331.90, 5,321,915.46 and 989,720.91

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Solution

The fourth proportional to 3,548,331.90, 5,321,915.46 and 989,720.91 is: 1,484,418.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,548,331.90 : 5,321,915.46 = 989,720.91 : x
  2. Step 2: Convert to fraction form
    3,548,331.90/5,321,915.46 = 989,720.91/x
  3. Step 3: Cross multiply
    3,548,331.90x = 5,321,915.46 × 989,720.91
  4. Step 4: Simplify right side
    3,548,331.90x = 5,267,211,012,014.27
  5. Step 5: Solve for x
    x = 5,267,211,012,014.27/3,548,331.90
  6. Step 6: Final answer
    x = 1,484,418.92

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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.