Home / 4,039,800-5,575,040.64-2,229,080.64

Finding the Fourth Proportional to 4,039,800, 5,575,040.64 and 2,229,080.64

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Solution

The fourth proportional to 4,039,800, 5,575,040.64 and 2,229,080.64 is: 3,076,195.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,039,800 : 5,575,040.64 = 2,229,080.64 : x
  2. Step 2: Convert to fraction form
    4,039,800/5,575,040.64 = 2,229,080.64/x
  3. Step 3: Cross multiply
    4,039,800x = 5,575,040.64 × 2,229,080.64
  4. Step 4: Simplify right side
    4,039,800x = 12,427,215,157,837.21
  5. Step 5: Solve for x
    x = 12,427,215,157,837.21/4,039,800
  6. Step 6: Final answer
    x = 3,076,195.64

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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.