Home / 2,659,470.75-3,989,206.13-664,926.75

Finding the Fourth Proportional to 2,659,470.75, 3,989,206.13 and 664,926.75

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Solution

The fourth proportional to 2,659,470.75, 3,989,206.13 and 664,926.75 is: 997,390.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,659,470.75 : 3,989,206.13 = 664,926.75 : x
  2. Step 2: Convert to fraction form
    2,659,470.75/3,989,206.13 = 664,926.75/x
  3. Step 3: Cross multiply
    2,659,470.75x = 3,989,206.13 × 664,926.75
  4. Step 4: Simplify right side
    2,659,470.75x = 2,652,529,863,776.34
  5. Step 5: Solve for x
    x = 2,652,529,863,776.34/2,659,470.75
  6. Step 6: Final answer
    x = 997,390.13

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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.