Home / 3,964,725.12-5,905,124.16-3,945,393.12

Finding the Fourth Proportional to 3,964,725.12, 5,905,124.16 and 3,945,393.12

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Solution

The fourth proportional to 3,964,725.12, 5,905,124.16 and 3,945,393.12 is: 5,876,330.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,964,725.12 : 5,905,124.16 = 3,945,393.12 : x
  2. Step 2: Convert to fraction form
    3,964,725.12/5,905,124.16 = 3,945,393.12/x
  3. Step 3: Cross multiply
    3,964,725.12x = 5,905,124.16 × 3,945,393.12
  4. Step 4: Simplify right side
    3,964,725.12x = 23,298,036,233,609.78
  5. Step 5: Solve for x
    x = 23,298,036,233,609.78/3,964,725.12
  6. Step 6: Final answer
    x = 5,876,330.77

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.