Home / 3,958,445.72-5,462,194.74-2,216,213.48

Finding the Fourth Proportional to 3,958,445.72, 5,462,194.74 and 2,216,213.48

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Solution

The fourth proportional to 3,958,445.72, 5,462,194.74 and 2,216,213.48 is: 3,058,116.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,958,445.72 : 5,462,194.74 = 2,216,213.48 : x
  2. Step 2: Convert to fraction form
    3,958,445.72/5,462,194.74 = 2,216,213.48/x
  3. Step 3: Cross multiply
    3,958,445.72x = 5,462,194.74 × 2,216,213.48
  4. Step 4: Simplify right side
    3,958,445.72x = 12,105,389,585,862.12
  5. Step 5: Solve for x
    x = 12,105,389,585,862.12/3,958,445.72
  6. Step 6: Final answer
    x = 3,058,116.86

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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.