Home / 3,925,520.70-5,412,389.67-3,197,687.10

Finding the Fourth Proportional to 3,925,520.70, 5,412,389.67 and 3,197,687.10

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Solution

The fourth proportional to 3,925,520.70, 5,412,389.67 and 3,197,687.10 is: 4,408,874.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,925,520.70 : 5,412,389.67 = 3,197,687.10 : x
  2. Step 2: Convert to fraction form
    3,925,520.70/5,412,389.67 = 3,197,687.10/x
  3. Step 3: Cross multiply
    3,925,520.70x = 5,412,389.67 × 3,197,687.10
  4. Step 4: Simplify right side
    3,925,520.70x = 17,307,128,627,932.26
  5. Step 5: Solve for x
    x = 17,307,128,627,932.26/3,925,520.70
  6. Step 6: Final answer
    x = 4,408,874.63

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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.