Home / 5,315,332.88-7,332,608.20-3,478,982.72

Finding the Fourth Proportional to 5,315,332.88, 7,332,608.20 and 3,478,982.72

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Solution

The fourth proportional to 5,315,332.88, 7,332,608.20 and 3,478,982.72 is: 4,799,326.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,315,332.88 : 7,332,608.20 = 3,478,982.72 : x
  2. Step 2: Convert to fraction form
    5,315,332.88/7,332,608.20 = 3,478,982.72/x
  3. Step 3: Cross multiply
    5,315,332.88x = 7,332,608.20 × 3,478,982.72
  4. Step 4: Simplify right side
    5,315,332.88x = 25,510,017,220,330.30
  5. Step 5: Solve for x
    x = 25,510,017,220,330.30/5,315,332.88
  6. Step 6: Final answer
    x = 4,799,326.36

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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.