Home / 2,888,061.92-3,986,195.28-1,921,232.96

Finding the Fourth Proportional to 2,888,061.92, 3,986,195.28 and 1,921,232.96

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Solution

The fourth proportional to 2,888,061.92, 3,986,195.28 and 1,921,232.96 is: 2,651,747.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,888,061.92 : 3,986,195.28 = 1,921,232.96 : x
  2. Step 2: Convert to fraction form
    2,888,061.92/3,986,195.28 = 1,921,232.96/x
  3. Step 3: Cross multiply
    2,888,061.92x = 3,986,195.28 × 1,921,232.96
  4. Step 4: Simplify right side
    2,888,061.92x = 7,658,409,756,932.43
  5. Step 5: Solve for x
    x = 7,658,409,756,932.43/2,888,061.92
  6. Step 6: Final answer
    x = 2,651,747.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.