Home / 4,188,019.20-6,282,028.80-3,125,137.20

Finding the Fourth Proportional to 4,188,019.20, 6,282,028.80 and 3,125,137.20

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Solution

The fourth proportional to 4,188,019.20, 6,282,028.80 and 3,125,137.20 is: 4,687,705.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,188,019.20 : 6,282,028.80 = 3,125,137.20 : x
  2. Step 2: Convert to fraction form
    4,188,019.20/6,282,028.80 = 3,125,137.20/x
  3. Step 3: Cross multiply
    4,188,019.20x = 6,282,028.80 × 3,125,137.20
  4. Step 4: Simplify right side
    4,188,019.20x = 19,632,201,894,351.36
  5. Step 5: Solve for x
    x = 19,632,201,894,351.36/4,188,019.20
  6. Step 6: Final answer
    x = 4,687,705.80

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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.