Home / 3,929,945.22-5,423,268.84-2,211,061.63

Finding the Fourth Proportional to 3,929,945.22, 5,423,268.84 and 2,211,061.63

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Solution

The fourth proportional to 3,929,945.22, 5,423,268.84 and 2,211,061.63 is: 3,051,233.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,929,945.22 : 5,423,268.84 = 2,211,061.63 : x
  2. Step 2: Convert to fraction form
    3,929,945.22/5,423,268.84 = 2,211,061.63/x
  3. Step 3: Cross multiply
    3,929,945.22x = 5,423,268.84 × 2,211,061.63
  4. Step 4: Simplify right side
    3,929,945.22x = 11,991,181,641,298.61
  5. Step 5: Solve for x
    x = 11,991,181,641,298.61/3,929,945.22
  6. Step 6: Final answer
    x = 3,051,233.79

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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.