Home / 5,640,179.78-7,783,457.76-3,225,731.78

Finding the Fourth Proportional to 5,640,179.78, 7,783,457.76 and 3,225,731.78

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Solution

The fourth proportional to 5,640,179.78, 7,783,457.76 and 3,225,731.78 is: 4,451,515.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,640,179.78 : 7,783,457.76 = 3,225,731.78 : x
  2. Step 2: Convert to fraction form
    5,640,179.78/7,783,457.76 = 3,225,731.78/x
  3. Step 3: Cross multiply
    5,640,179.78x = 7,783,457.76 × 3,225,731.78
  4. Step 4: Simplify right side
    5,640,179.78x = 25,107,347,054,719.61
  5. Step 5: Solve for x
    x = 25,107,347,054,719.61/5,640,179.78
  6. Step 6: Final answer
    x = 4,451,515.38

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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.