Home / 2,160,456.16-2,981,489.70-1,193,648.80

Finding the Fourth Proportional to 2,160,456.16, 2,981,489.70 and 1,193,648.80

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Solution

The fourth proportional to 2,160,456.16, 2,981,489.70 and 1,193,648.80 is: 1,647,268.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,160,456.16 : 2,981,489.70 = 1,193,648.80 : x
  2. Step 2: Convert to fraction form
    2,160,456.16/2,981,489.70 = 1,193,648.80/x
  3. Step 3: Cross multiply
    2,160,456.16x = 2,981,489.70 × 1,193,648.80
  4. Step 4: Simplify right side
    2,160,456.16x = 3,558,851,602,617.36
  5. Step 5: Solve for x
    x = 3,558,851,602,617.36/2,160,456.16
  6. Step 6: Final answer
    x = 1,647,268.60

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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.