Home / 1,934,158.80-2,668,311.11-1,207,745.34

Finding the Fourth Proportional to 1,934,158.80, 2,668,311.11 and 1,207,745.34

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Solution

The fourth proportional to 1,934,158.80, 2,668,311.11 and 1,207,745.34 is: 1,666,171.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,934,158.80 : 2,668,311.11 = 1,207,745.34 : x
  2. Step 2: Convert to fraction form
    1,934,158.80/2,668,311.11 = 1,207,745.34/x
  3. Step 3: Cross multiply
    1,934,158.80x = 2,668,311.11 × 1,207,745.34
  4. Step 4: Simplify right side
    1,934,158.80x = 3,222,640,301,785.92
  5. Step 5: Solve for x
    x = 3,222,640,301,785.92/1,934,158.80
  6. Step 6: Final answer
    x = 1,666,171.51

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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.