Home / 2,087,769.13-3,131,653.69-511,833.13

Finding the Fourth Proportional to 2,087,769.13, 3,131,653.69 and 511,833.13

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Solution

The fourth proportional to 2,087,769.13, 3,131,653.69 and 511,833.13 is: 767,749.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,087,769.13 : 3,131,653.69 = 511,833.13 : x
  2. Step 2: Convert to fraction form
    2,087,769.13/3,131,653.69 = 511,833.13/x
  3. Step 3: Cross multiply
    2,087,769.13x = 3,131,653.69 × 511,833.13
  4. Step 4: Simplify right side
    2,087,769.13x = 1,602,884,110,228.75
  5. Step 5: Solve for x
    x = 1,602,884,110,228.75/2,087,769.13
  6. Step 6: Final answer
    x = 767,749.69

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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.