Home / 4,088,665.20-5,642,395.29-2,253,189.34

Finding the Fourth Proportional to 4,088,665.20, 5,642,395.29 and 2,253,189.34

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Solution

The fourth proportional to 4,088,665.20, 5,642,395.29 and 2,253,189.34 is: 3,109,421.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,088,665.20 : 5,642,395.29 = 2,253,189.34 : x
  2. Step 2: Convert to fraction form
    4,088,665.20/5,642,395.29 = 2,253,189.34/x
  3. Step 3: Cross multiply
    4,088,665.20x = 5,642,395.29 × 2,253,189.34
  4. Step 4: Simplify right side
    4,088,665.20x = 12,713,384,919,494.21
  5. Step 5: Solve for x
    x = 12,713,384,919,494.21/4,088,665.20
  6. Step 6: Final answer
    x = 3,109,421.85

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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.