Home / 2,107,312.25-3,159,030.78-759,145.14

Finding the Fourth Proportional to 2,107,312.25, 3,159,030.78 and 759,145.14

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Solution

The fourth proportional to 2,107,312.25, 3,159,030.78 and 759,145.14 is: 1,138,019.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,107,312.25 : 3,159,030.78 = 759,145.14 : x
  2. Step 2: Convert to fraction form
    2,107,312.25/3,159,030.78 = 759,145.14/x
  3. Step 3: Cross multiply
    2,107,312.25x = 3,159,030.78 × 759,145.14
  4. Step 4: Simplify right side
    2,107,312.25x = 2,398,162,863,747.41
  5. Step 5: Solve for x
    x = 2,398,162,863,747.41/2,107,312.25
  6. Step 6: Final answer
    x = 1,138,019.71

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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.