Home / 3,309,940.20-4,964,910.30-2,176,199.40

Finding the Fourth Proportional to 3,309,940.20, 4,964,910.30 and 2,176,199.40

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Solution

The fourth proportional to 3,309,940.20, 4,964,910.30 and 2,176,199.40 is: 3,264,299.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,309,940.20 : 4,964,910.30 = 2,176,199.40 : x
  2. Step 2: Convert to fraction form
    3,309,940.20/4,964,910.30 = 2,176,199.40/x
  3. Step 3: Cross multiply
    3,309,940.20x = 4,964,910.30 × 2,176,199.40
  4. Step 4: Simplify right side
    3,309,940.20x = 10,804,634,815,913.82
  5. Step 5: Solve for x
    x = 10,804,634,815,913.82/3,309,940.20
  6. Step 6: Final answer
    x = 3,264,299.10

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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.