Home / 2,679,433.20-4,019,149.80-1,965,596.40

Finding the Fourth Proportional to 2,679,433.20, 4,019,149.80 and 1,965,596.40

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Solution

The fourth proportional to 2,679,433.20, 4,019,149.80 and 1,965,596.40 is: 2,948,394.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,679,433.20 : 4,019,149.80 = 1,965,596.40 : x
  2. Step 2: Convert to fraction form
    2,679,433.20/4,019,149.80 = 1,965,596.40/x
  3. Step 3: Cross multiply
    2,679,433.20x = 4,019,149.80 × 1,965,596.40
  4. Step 4: Simplify right side
    2,679,433.20x = 7,900,026,377,940.72
  5. Step 5: Solve for x
    x = 7,900,026,377,940.72/2,679,433.20
  6. Step 6: Final answer
    x = 2,948,394.60

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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.