Home / 2,170,821.86-2,995,834.18-1,203,894.54

Finding the Fourth Proportional to 2,170,821.86, 2,995,834.18 and 1,203,894.54

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Solution

The fourth proportional to 2,170,821.86, 2,995,834.18 and 1,203,894.54 is: 1,661,429.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,170,821.86 : 2,995,834.18 = 1,203,894.54 : x
  2. Step 2: Convert to fraction form
    2,170,821.86/2,995,834.18 = 1,203,894.54/x
  3. Step 3: Cross multiply
    2,170,821.86x = 2,995,834.18 × 1,203,894.54
  4. Step 4: Simplify right side
    2,170,821.86x = 3,606,668,412,047.38
  5. Step 5: Solve for x
    x = 3,606,668,412,047.38/2,170,821.86
  6. Step 6: Final answer
    x = 1,661,429.93

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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.