Home / 5,200,708.20-7,801,062.30-3,315,805.80

Finding the Fourth Proportional to 5,200,708.20, 7,801,062.30 and 3,315,805.80

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Solution

The fourth proportional to 5,200,708.20, 7,801,062.30 and 3,315,805.80 is: 4,973,708.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,200,708.20 : 7,801,062.30 = 3,315,805.80 : x
  2. Step 2: Convert to fraction form
    5,200,708.20/7,801,062.30 = 3,315,805.80/x
  3. Step 3: Cross multiply
    5,200,708.20x = 7,801,062.30 × 3,315,805.80
  4. Step 4: Simplify right side
    5,200,708.20x = 25,866,807,620,501.34
  5. Step 5: Solve for x
    x = 25,866,807,620,501.34/5,200,708.20
  6. Step 6: Final answer
    x = 4,973,708.70

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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.