Home / 2,654,217.40-3,981,328.80-659,673.40

Finding the Fourth Proportional to 2,654,217.40, 3,981,328.80 and 659,673.40

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Solution

The fourth proportional to 2,654,217.40, 3,981,328.80 and 659,673.40 is: 989,510.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,654,217.40 : 3,981,328.80 = 659,673.40 : x
  2. Step 2: Convert to fraction form
    2,654,217.40/3,981,328.80 = 659,673.40/x
  3. Step 3: Cross multiply
    2,654,217.40x = 3,981,328.80 × 659,673.40
  4. Step 4: Simplify right side
    2,654,217.40x = 2,626,376,706,013.92
  5. Step 5: Solve for x
    x = 2,626,376,706,013.92/2,654,217.40
  6. Step 6: Final answer
    x = 989,510.77

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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.