Home / 2,160,312.31-2,981,178.62-1,193,535.19

Finding the Fourth Proportional to 2,160,312.31, 2,981,178.62 and 1,193,535.19

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Solution

The fourth proportional to 2,160,312.31, 2,981,178.62 and 1,193,535.19 is: 1,647,049.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,160,312.31 : 2,981,178.62 = 1,193,535.19 : x
  2. Step 2: Convert to fraction form
    2,160,312.31/2,981,178.62 = 1,193,535.19/x
  3. Step 3: Cross multiply
    2,160,312.31x = 2,981,178.62 × 1,193,535.19
  4. Step 4: Simplify right side
    2,160,312.31x = 3,558,141,575,739.75
  5. Step 5: Solve for x
    x = 3,558,141,575,739.75/2,160,312.31
  6. Step 6: Final answer
    x = 1,647,049.63

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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.