Home / 3,940,117.89-5,437,606.35-2,174,007.56

Finding the Fourth Proportional to 3,940,117.89, 5,437,606.35 and 2,174,007.56

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Solution

The fourth proportional to 3,940,117.89, 5,437,606.35 and 2,174,007.56 is: 3,000,264.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,940,117.89 : 5,437,606.35 = 2,174,007.56 : x
  2. Step 2: Convert to fraction form
    3,940,117.89/5,437,606.35 = 2,174,007.56/x
  3. Step 3: Cross multiply
    3,940,117.89x = 5,437,606.35 × 2,174,007.56
  4. Step 4: Simplify right side
    3,940,117.89x = 11,821,397,306,407.00
  5. Step 5: Solve for x
    x = 11,821,397,306,407.00/3,940,117.89
  6. Step 6: Final answer
    x = 3,000,264.88

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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.