Home / 1,981,641.69-2,734,834.19-1,122,354.81

Finding the Fourth Proportional to 1,981,641.69, 2,734,834.19 and 1,122,354.81

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Solution

The fourth proportional to 1,981,641.69, 2,734,834.19 and 1,122,354.81 is: 1,548,945.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,981,641.69 : 2,734,834.19 = 1,122,354.81 : x
  2. Step 2: Convert to fraction form
    1,981,641.69/2,734,834.19 = 1,122,354.81/x
  3. Step 3: Cross multiply
    1,981,641.69x = 2,734,834.19 × 1,122,354.81
  4. Step 4: Simplify right side
    1,981,641.69x = 3,069,454,302,087.18
  5. Step 5: Solve for x
    x = 3,069,454,302,087.18/1,981,641.69
  6. Step 6: Final answer
    x = 1,548,945.16

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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.