Home / 3,947,770.64-5,921,177.24-1,108,111.12

Finding the Fourth Proportional to 3,947,770.64, 5,921,177.24 and 1,108,111.12

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Solution

The fourth proportional to 3,947,770.64, 5,921,177.24 and 1,108,111.12 is: 1,662,032.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,947,770.64 : 5,921,177.24 = 1,108,111.12 : x
  2. Step 2: Convert to fraction form
    3,947,770.64/5,921,177.24 = 1,108,111.12/x
  3. Step 3: Cross multiply
    3,947,770.64x = 5,921,177.24 × 1,108,111.12
  4. Step 4: Simplify right side
    3,947,770.64x = 6,561,322,343,134.91
  5. Step 5: Solve for x
    x = 6,561,322,343,134.91/3,947,770.64
  6. Step 6: Final answer
    x = 1,662,032.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.