Home / 5,120,535.46-7,066,553.61-2,945,079.22

Finding the Fourth Proportional to 5,120,535.46, 7,066,553.61 and 2,945,079.22

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Solution

The fourth proportional to 5,120,535.46, 7,066,553.61 and 2,945,079.22 is: 4,064,332.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,120,535.46 : 7,066,553.61 = 2,945,079.22 : x
  2. Step 2: Convert to fraction form
    5,120,535.46/7,066,553.61 = 2,945,079.22/x
  3. Step 3: Cross multiply
    5,120,535.46x = 7,066,553.61 × 2,945,079.22
  4. Step 4: Simplify right side
    5,120,535.46x = 20,811,560,193,826.99
  5. Step 5: Solve for x
    x = 20,811,560,193,826.99/5,120,535.46
  6. Step 6: Final answer
    x = 4,064,332.79

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1.5x scale

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.