Home / 3,929,944.72-5,423,268.16-2,211,061.13

Finding the Fourth Proportional to 3,929,944.72, 5,423,268.16 and 2,211,061.13

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Solution

The fourth proportional to 3,929,944.72, 5,423,268.16 and 2,211,061.13 is: 3,051,233.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,929,944.72 : 5,423,268.16 = 2,211,061.13 : x
  2. Step 2: Convert to fraction form
    3,929,944.72/5,423,268.16 = 2,211,061.13/x
  3. Step 3: Cross multiply
    3,929,944.72x = 5,423,268.16 × 2,211,061.13
  4. Step 4: Simplify right side
    3,929,944.72x = 11,991,177,415,087.31
  5. Step 5: Solve for x
    x = 11,991,177,415,087.31/3,929,944.72
  6. Step 6: Final answer
    x = 3,051,233.10

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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.