Home / 2,438,147.88-3,364,679.66-1,405,637.91

Finding the Fourth Proportional to 2,438,147.88, 3,364,679.66 and 1,405,637.91

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Solution

The fourth proportional to 2,438,147.88, 3,364,679.66 and 1,405,637.91 is: 1,939,800.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,438,147.88 : 3,364,679.66 = 1,405,637.91 : x
  2. Step 2: Convert to fraction form
    2,438,147.88/3,364,679.66 = 1,405,637.91/x
  3. Step 3: Cross multiply
    2,438,147.88x = 3,364,679.66 × 1,405,637.91
  4. Step 4: Simplify right side
    2,438,147.88x = 4,729,521,278,073.72
  5. Step 5: Solve for x
    x = 4,729,521,278,073.72/2,438,147.88
  6. Step 6: Final answer
    x = 1,939,800.83

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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.