Home / 2,186,311.79-3,279,947.51-670,108.73

Finding the Fourth Proportional to 2,186,311.79, 3,279,947.51 and 670,108.73

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Solution

The fourth proportional to 2,186,311.79, 3,279,947.51 and 670,108.73 is: 1,005,310.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,186,311.79 : 3,279,947.51 = 670,108.73 : x
  2. Step 2: Convert to fraction form
    2,186,311.79/3,279,947.51 = 670,108.73/x
  3. Step 3: Cross multiply
    2,186,311.79x = 3,279,947.51 × 670,108.73
  4. Step 4: Simplify right side
    2,186,311.79x = 2,197,921,465,242.09
  5. Step 5: Solve for x
    x = 2,197,921,465,242.09/2,186,311.79
  6. Step 6: Final answer
    x = 1,005,310.17

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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.