Home / 2,170,822.11-2,995,834.52-1,203,894.78

Finding the Fourth Proportional to 2,170,822.11, 2,995,834.52 and 1,203,894.78

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Solution

The fourth proportional to 2,170,822.11, 2,995,834.52 and 1,203,894.78 is: 1,661,430.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,170,822.11 : 2,995,834.52 = 1,203,894.78 : x
  2. Step 2: Convert to fraction form
    2,170,822.11/2,995,834.52 = 1,203,894.78/x
  3. Step 3: Cross multiply
    2,170,822.11x = 2,995,834.52 × 1,203,894.78
  4. Step 4: Simplify right side
    2,170,822.11x = 3,606,669,534,352.33
  5. Step 5: Solve for x
    x = 3,606,669,534,352.33/2,170,822.11
  6. Step 6: Final answer
    x = 1,661,430.26

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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.