Home / 5,221,418.80-7,832,117.38-2,945,910.20

Finding the Fourth Proportional to 5,221,418.80, 7,832,117.38 and 2,945,910.20

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Solution

The fourth proportional to 5,221,418.80, 7,832,117.38 and 2,945,910.20 is: 4,418,859.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,221,418.80 : 7,832,117.38 = 2,945,910.20 : x
  2. Step 2: Convert to fraction form
    5,221,418.80/7,832,117.38 = 2,945,910.20/x
  3. Step 3: Cross multiply
    5,221,418.80x = 7,832,117.38 × 2,945,910.20
  4. Step 4: Simplify right side
    5,221,418.80x = 23,072,714,477,339.28
  5. Step 5: Solve for x
    x = 23,072,714,477,339.28/5,221,418.80
  6. Step 6: Final answer
    x = 4,418,859.20

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Double scale
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Similar ratio
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1.5x scale

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.