Home / 2,679,424.80-4,019,137.20-2,474,138.40

Finding the Fourth Proportional to 2,679,424.80, 4,019,137.20 and 2,474,138.40

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Solution

The fourth proportional to 2,679,424.80, 4,019,137.20 and 2,474,138.40 is: 3,711,207.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,679,424.80 : 4,019,137.20 = 2,474,138.40 : x
  2. Step 2: Convert to fraction form
    2,679,424.80/4,019,137.20 = 2,474,138.40/x
  3. Step 3: Cross multiply
    2,679,424.80x = 4,019,137.20 × 2,474,138.40
  4. Step 4: Simplify right side
    2,679,424.80x = 9,943,901,681,388.48
  5. Step 5: Solve for x
    x = 9,943,901,681,388.48/2,679,424.80
  6. Step 6: Final answer
    x = 3,711,207.60

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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.