Home / 3,887,213.45-5,364,363.17-2,168,445.29

Finding the Fourth Proportional to 3,887,213.45, 5,364,363.17 and 2,168,445.29

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Solution

The fourth proportional to 3,887,213.45, 5,364,363.17 and 2,168,445.29 is: 2,992,459.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,887,213.45 : 5,364,363.17 = 2,168,445.29 : x
  2. Step 2: Convert to fraction form
    3,887,213.45/5,364,363.17 = 2,168,445.29/x
  3. Step 3: Cross multiply
    3,887,213.45x = 5,364,363.17 × 2,168,445.29
  4. Step 4: Simplify right side
    3,887,213.45x = 11,632,328,028,435.27
  5. Step 5: Solve for x
    x = 11,632,328,028,435.27/3,887,213.45
  6. Step 6: Final answer
    x = 2,992,459.30

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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.