Home / 3,929,945.72-5,423,269.53-2,211,062.13

Finding the Fourth Proportional to 3,929,945.72, 5,423,269.53 and 2,211,062.13

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Solution

The fourth proportional to 3,929,945.72, 5,423,269.53 and 2,211,062.13 is: 3,051,234.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,929,945.72 : 5,423,269.53 = 2,211,062.13 : x
  2. Step 2: Convert to fraction form
    3,929,945.72/5,423,269.53 = 2,211,062.13/x
  3. Step 3: Cross multiply
    3,929,945.72x = 5,423,269.53 × 2,211,062.13
  4. Step 4: Simplify right side
    3,929,945.72x = 11,991,185,878,565.90
  5. Step 5: Solve for x
    x = 11,991,185,878,565.90/3,929,945.72
  6. Step 6: Final answer
    x = 3,051,234.48

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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.