Home / 2,451,121.20-3,669,424.20-1,822,820.40

Finding the Fourth Proportional to 2,451,121.20, 3,669,424.20 and 1,822,820.40

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Solution

The fourth proportional to 2,451,121.20, 3,669,424.20 and 1,822,820.40 is: 2,728,833.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,451,121.20 : 3,669,424.20 = 1,822,820.40 : x
  2. Step 2: Convert to fraction form
    2,451,121.20/3,669,424.20 = 1,822,820.40/x
  3. Step 3: Cross multiply
    2,451,121.20x = 3,669,424.20 × 1,822,820.40
  4. Step 4: Simplify right side
    2,451,121.20x = 6,688,701,288,013.68
  5. Step 5: Solve for x
    x = 6,688,701,288,013.68/2,451,121.20
  6. Step 6: Final answer
    x = 2,728,833.36

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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.