Home / 3,448,311.08-4,758,816.90-1,920,418.20

Finding the Fourth Proportional to 3,448,311.08, 4,758,816.90 and 1,920,418.20

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Solution

The fourth proportional to 3,448,311.08, 4,758,816.90 and 1,920,418.20 is: 2,650,259.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,448,311.08 : 4,758,816.90 = 1,920,418.20 : x
  2. Step 2: Convert to fraction form
    3,448,311.08/4,758,816.90 = 1,920,418.20/x
  3. Step 3: Cross multiply
    3,448,311.08x = 4,758,816.90 × 1,920,418.20
  4. Step 4: Simplify right side
    3,448,311.08x = 9,138,918,585,227.58
  5. Step 5: Solve for x
    x = 9,138,918,585,227.58/3,448,311.08
  6. Step 6: Final answer
    x = 2,650,259.32

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Double scale
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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.