Home / 2,119,396.92-3,177,107.70-771,223.32

Finding the Fourth Proportional to 2,119,396.92, 3,177,107.70 and 771,223.32

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Solution

The fourth proportional to 2,119,396.92, 3,177,107.70 and 771,223.32 is: 1,156,111.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,119,396.92 : 3,177,107.70 = 771,223.32 : x
  2. Step 2: Convert to fraction form
    2,119,396.92/3,177,107.70 = 771,223.32/x
  3. Step 3: Cross multiply
    2,119,396.92x = 3,177,107.70 × 771,223.32
  4. Step 4: Simplify right side
    2,119,396.92x = 2,450,259,548,391.56
  5. Step 5: Solve for x
    x = 2,450,259,548,391.56/2,119,396.92
  6. Step 6: Final answer
    x = 1,156,111.69

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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.