Home / 5,217,480.20-7,826,220.30-3,705,825.80

Finding the Fourth Proportional to 5,217,480.20, 7,826,220.30 and 3,705,825.80

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Solution

The fourth proportional to 5,217,480.20, 7,826,220.30 and 3,705,825.80 is: 5,558,738.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,217,480.20 : 7,826,220.30 = 3,705,825.80 : x
  2. Step 2: Convert to fraction form
    5,217,480.20/7,826,220.30 = 3,705,825.80/x
  3. Step 3: Cross multiply
    5,217,480.20x = 7,826,220.30 × 3,705,825.80
  4. Step 4: Simplify right side
    5,217,480.20x = 29,002,609,104,223.74
  5. Step 5: Solve for x
    x = 29,002,609,104,223.74/5,217,480.20
  6. Step 6: Final answer
    x = 5,558,738.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.