Home / 2,781,844.80-4,172,767.20-2,416,891.20

Finding the Fourth Proportional to 2,781,844.80, 4,172,767.20 and 2,416,891.20

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Solution

The fourth proportional to 2,781,844.80, 4,172,767.20 and 2,416,891.20 is: 3,625,336.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,781,844.80 : 4,172,767.20 = 2,416,891.20 : x
  2. Step 2: Convert to fraction form
    2,781,844.80/4,172,767.20 = 2,416,891.20/x
  3. Step 3: Cross multiply
    2,781,844.80x = 4,172,767.20 × 2,416,891.20
  4. Step 4: Simplify right side
    2,781,844.80x = 10,085,124,325,328.64
  5. Step 5: Solve for x
    x = 10,085,124,325,328.64/2,781,844.80
  6. Step 6: Final answer
    x = 3,625,336.80

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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.