Home / 5,259,712.80-7,889,569.20-3,370,144.80

Finding the Fourth Proportional to 5,259,712.80, 7,889,569.20 and 3,370,144.80

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Solution

The fourth proportional to 5,259,712.80, 7,889,569.20 and 3,370,144.80 is: 5,055,217.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,259,712.80 : 7,889,569.20 = 3,370,144.80 : x
  2. Step 2: Convert to fraction form
    5,259,712.80/7,889,569.20 = 3,370,144.80/x
  3. Step 3: Cross multiply
    5,259,712.80x = 7,889,569.20 × 3,370,144.80
  4. Step 4: Simplify right side
    5,259,712.80x = 26,588,990,613,620.16
  5. Step 5: Solve for x
    x = 26,588,990,613,620.16/5,259,712.80
  6. Step 6: Final answer
    x = 5,055,217.20

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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.