Home / 2,010,640.80-3,015,961.20-680,944.80

Finding the Fourth Proportional to 2,010,640.80, 3,015,961.20 and 680,944.80

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Solution

The fourth proportional to 2,010,640.80, 3,015,961.20 and 680,944.80 is: 1,021,417.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,010,640.80 : 3,015,961.20 = 680,944.80 : x
  2. Step 2: Convert to fraction form
    2,010,640.80/3,015,961.20 = 680,944.80/x
  3. Step 3: Cross multiply
    2,010,640.80x = 3,015,961.20 × 680,944.80
  4. Step 4: Simplify right side
    2,010,640.80x = 2,053,703,096,141.76
  5. Step 5: Solve for x
    x = 2,053,703,096,141.76/2,010,640.80
  6. Step 6: Final answer
    x = 1,021,417.20

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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.