Home / 5,571,258.78-7,685,507.57-3,638,650.62

Finding the Fourth Proportional to 5,571,258.78, 7,685,507.57 and 3,638,650.62

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Solution

The fourth proportional to 5,571,258.78, 7,685,507.57 and 3,638,650.62 is: 5,019,489.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,571,258.78 : 7,685,507.57 = 3,638,650.62 : x
  2. Step 2: Convert to fraction form
    5,571,258.78/7,685,507.57 = 3,638,650.62/x
  3. Step 3: Cross multiply
    5,571,258.78x = 7,685,507.57 × 3,638,650.62
  4. Step 4: Simplify right side
    5,571,258.78x = 27,964,876,884,595.20
  5. Step 5: Solve for x
    x = 27,964,876,884,595.20/5,571,258.78
  6. Step 6: Final answer
    x = 5,019,489.85

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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.