Home / 1,821,311.70-2,731,967.55-981,503.70

Finding the Fourth Proportional to 1,821,311.70, 2,731,967.55 and 981,503.70

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Solution

The fourth proportional to 1,821,311.70, 2,731,967.55 and 981,503.70 is: 1,472,255.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,821,311.70 : 2,731,967.55 = 981,503.70 : x
  2. Step 2: Convert to fraction form
    1,821,311.70/2,731,967.55 = 981,503.70/x
  3. Step 3: Cross multiply
    1,821,311.70x = 2,731,967.55 × 981,503.70
  4. Step 4: Simplify right side
    1,821,311.70x = 2,681,436,258,604.93
  5. Step 5: Solve for x
    x = 2,681,436,258,604.93/1,821,311.70
  6. Step 6: Final answer
    x = 1,472,255.55

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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.