Home / 3,449,276.90-5,173,915.35-3,189,461.30

Finding the Fourth Proportional to 3,449,276.90, 5,173,915.35 and 3,189,461.30

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Solution

The fourth proportional to 3,449,276.90, 5,173,915.35 and 3,189,461.30 is: 4,784,191.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,449,276.90 : 5,173,915.35 = 3,189,461.30 : x
  2. Step 2: Convert to fraction form
    3,449,276.90/5,173,915.35 = 3,189,461.30/x
  3. Step 3: Cross multiply
    3,449,276.90x = 5,173,915.35 × 3,189,461.30
  4. Step 4: Simplify right side
    3,449,276.90x = 16,502,002,778,300.95
  5. Step 5: Solve for x
    x = 16,502,002,778,300.95/3,449,276.90
  6. Step 6: Final answer
    x = 4,784,191.95

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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.