Home / 2,120,947.55-3,181,010.66-824,097.66

Finding the Fourth Proportional to 2,120,947.55, 3,181,010.66 and 824,097.66

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Solution

The fourth proportional to 2,120,947.55, 3,181,010.66 and 824,097.66 is: 1,235,986.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,120,947.55 : 3,181,010.66 = 824,097.66 : x
  2. Step 2: Convert to fraction form
    2,120,947.55/3,181,010.66 = 824,097.66/x
  3. Step 3: Cross multiply
    2,120,947.55x = 3,181,010.66 × 824,097.66
  4. Step 4: Simplify right side
    2,120,947.55x = 2,621,463,448,593.10
  5. Step 5: Solve for x
    x = 2,621,463,448,593.10/2,120,947.55
  6. Step 6: Final answer
    x = 1,235,986.93

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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.