Home / 1,661,159.10-2,491,738.65-1,422,010.65

Finding the Fourth Proportional to 1,661,159.10, 2,491,738.65 and 1,422,010.65

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Solution

The fourth proportional to 1,661,159.10, 2,491,738.65 and 1,422,010.65 is: 2,133,015.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,661,159.10 : 2,491,738.65 = 1,422,010.65 : x
  2. Step 2: Convert to fraction form
    1,661,159.10/2,491,738.65 = 1,422,010.65/x
  3. Step 3: Cross multiply
    1,661,159.10x = 2,491,738.65 × 1,422,010.65
  4. Step 4: Simplify right side
    1,661,159.10x = 3,543,278,897,316.62
  5. Step 5: Solve for x
    x = 3,543,278,897,316.62/1,661,159.10
  6. Step 6: Final answer
    x = 2,133,015.98

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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.