Home / 5,448,460.80-8,172,691.20-1,661,937.60

Finding the Fourth Proportional to 5,448,460.80, 8,172,691.20 and 1,661,937.60

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Solution

The fourth proportional to 5,448,460.80, 8,172,691.20 and 1,661,937.60 is: 2,492,906.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,448,460.80 : 8,172,691.20 = 1,661,937.60 : x
  2. Step 2: Convert to fraction form
    5,448,460.80/8,172,691.20 = 1,661,937.60/x
  3. Step 3: Cross multiply
    5,448,460.80x = 8,172,691.20 × 1,661,937.60
  4. Step 4: Simplify right side
    5,448,460.80x = 13,582,502,798,469.12
  5. Step 5: Solve for x
    x = 13,582,502,798,469.12/5,448,460.80
  6. Step 6: Final answer
    x = 2,492,906.40

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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.