Home / 5,735,367.90-7,915,016.71-3,121,745.72

Finding the Fourth Proportional to 5,735,367.90, 7,915,016.71 and 3,121,745.72

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Solution

The fourth proportional to 5,735,367.90, 7,915,016.71 and 3,121,745.72 is: 4,308,122.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,735,367.90 : 7,915,016.71 = 3,121,745.72 : x
  2. Step 2: Convert to fraction form
    5,735,367.90/7,915,016.71 = 3,121,745.72/x
  3. Step 3: Cross multiply
    5,735,367.90x = 7,915,016.71 × 3,121,745.72
  4. Step 4: Simplify right side
    5,735,367.90x = 24,708,669,502,498.08
  5. Step 5: Solve for x
    x = 24,708,669,502,498.08/5,735,367.90
  6. Step 6: Final answer
    x = 4,308,122.85

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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.