Home / 2,339,378.82-3,510,416.07-991,435.14

Finding the Fourth Proportional to 2,339,378.82, 3,510,416.07 and 991,435.14

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Solution

The fourth proportional to 2,339,378.82, 3,510,416.07 and 991,435.14 is: 1,487,723.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,339,378.82 : 3,510,416.07 = 991,435.14 : x
  2. Step 2: Convert to fraction form
    2,339,378.82/3,510,416.07 = 991,435.14/x
  3. Step 3: Cross multiply
    2,339,378.82x = 3,510,416.07 × 991,435.14
  4. Step 4: Simplify right side
    2,339,378.82x = 3,480,349,847,818.70
  5. Step 5: Solve for x
    x = 3,480,349,847,818.70/2,339,378.82
  6. Step 6: Final answer
    x = 1,487,723.93

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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.