Home / 3,810,805.76-5,258,775.88-2,156,917.38

Finding the Fourth Proportional to 3,810,805.76, 5,258,775.88 and 2,156,917.38

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Solution

The fourth proportional to 3,810,805.76, 5,258,775.88 and 2,156,917.38 is: 2,976,468.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,810,805.76 : 5,258,775.88 = 2,156,917.38 : x
  2. Step 2: Convert to fraction form
    3,810,805.76/5,258,775.88 = 2,156,917.38/x
  3. Step 3: Cross multiply
    3,810,805.76x = 5,258,775.88 × 2,156,917.38
  4. Step 4: Simplify right side
    3,810,805.76x = 11,342,745,093,096.79
  5. Step 5: Solve for x
    x = 11,342,745,093,096.79/3,810,805.76
  6. Step 6: Final answer
    x = 2,976,468.97

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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.