Home / 2,656,120.23-3,981,813.53-972,830.07

Finding the Fourth Proportional to 2,656,120.23, 3,981,813.53 and 972,830.07

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Solution

The fourth proportional to 2,656,120.23, 3,981,813.53 and 972,830.07 is: 1,458,378.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,656,120.23 : 3,981,813.53 = 972,830.07 : x
  2. Step 2: Convert to fraction form
    2,656,120.23/3,981,813.53 = 972,830.07/x
  3. Step 3: Cross multiply
    2,656,120.23x = 3,981,813.53 × 972,830.07
  4. Step 4: Simplify right side
    2,656,120.23x = 3,873,627,930,252.70
  5. Step 5: Solve for x
    x = 3,873,627,930,252.70/2,656,120.23
  6. Step 6: Final answer
    x = 1,458,378.23

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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.