Home / 5,277,995.90-7,281,469.72-3,211,354.70

Finding the Fourth Proportional to 5,277,995.90, 7,281,469.72 and 3,211,354.70

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Solution

The fourth proportional to 5,277,995.90, 7,281,469.72 and 3,211,354.70 is: 4,430,352.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,277,995.90 : 7,281,469.72 = 3,211,354.70 : x
  2. Step 2: Convert to fraction form
    5,277,995.90/7,281,469.72 = 3,211,354.70/x
  3. Step 3: Cross multiply
    5,277,995.90x = 7,281,469.72 × 3,211,354.70
  4. Step 4: Simplify right side
    5,277,995.90x = 23,383,382,018,404.97
  5. Step 5: Solve for x
    x = 23,383,382,018,404.97/5,277,995.90
  6. Step 6: Final answer
    x = 4,430,352.45

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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.