Home / 5,640,180.78-7,783,459.14-3,225,732.78

Finding the Fourth Proportional to 5,640,180.78, 7,783,459.14 and 3,225,732.78

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Solution

The fourth proportional to 5,640,180.78, 7,783,459.14 and 3,225,732.78 is: 4,451,516.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,640,180.78 : 7,783,459.14 = 3,225,732.78 : x
  2. Step 2: Convert to fraction form
    5,640,180.78/7,783,459.14 = 3,225,732.78/x
  3. Step 3: Cross multiply
    5,640,180.78x = 7,783,459.14 × 3,225,732.78
  4. Step 4: Simplify right side
    5,640,180.78x = 25,107,359,289,688.61
  5. Step 5: Solve for x
    x = 25,107,359,289,688.61/5,640,180.78
  6. Step 6: Final answer
    x = 4,451,516.76

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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.