Home / 2,859,491.70-4,289,237.55-966,205.80

Finding the Fourth Proportional to 2,859,491.70, 4,289,237.55 and 966,205.80

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Solution

The fourth proportional to 2,859,491.70, 4,289,237.55 and 966,205.80 is: 1,449,308.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,859,491.70 : 4,289,237.55 = 966,205.80 : x
  2. Step 2: Convert to fraction form
    2,859,491.70/4,289,237.55 = 966,205.80/x
  3. Step 3: Cross multiply
    2,859,491.70x = 4,289,237.55 × 966,205.80
  4. Step 4: Simplify right side
    2,859,491.70x = 4,144,286,198,387.79
  5. Step 5: Solve for x
    x = 4,144,286,198,387.79/2,859,491.70
  6. Step 6: Final answer
    x = 1,449,308.70

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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.