Home / 6,145,168.72-8,480,287.02-3,391,855.60

Finding the Fourth Proportional to 6,145,168.72, 8,480,287.02 and 3,391,855.60

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Solution

The fourth proportional to 6,145,168.72, 8,480,287.02 and 3,391,855.60 is: 4,680,735.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,145,168.72 : 8,480,287.02 = 3,391,855.60 : x
  2. Step 2: Convert to fraction form
    6,145,168.72/8,480,287.02 = 3,391,855.60/x
  3. Step 3: Cross multiply
    6,145,168.72x = 8,480,287.02 × 3,391,855.60
  4. Step 4: Simplify right side
    6,145,168.72x = 28,763,909,018,394.31
  5. Step 5: Solve for x
    x = 28,763,909,018,394.31/6,145,168.72
  6. Step 6: Final answer
    x = 4,680,735.44

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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.