Home / 2,919,167.70-4,384,000.35-2,121,350.10

Finding the Fourth Proportional to 2,919,167.70, 4,384,000.35 and 2,121,350.10

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Solution

The fourth proportional to 2,919,167.70, 4,384,000.35 and 2,121,350.10 is: 3,185,839.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,919,167.70 : 4,384,000.35 = 2,121,350.10 : x
  2. Step 2: Convert to fraction form
    2,919,167.70/4,384,000.35 = 2,121,350.10/x
  3. Step 3: Cross multiply
    2,919,167.70x = 4,384,000.35 × 2,121,350.10
  4. Step 4: Simplify right side
    2,919,167.70x = 9,299,999,580,872.54
  5. Step 5: Solve for x
    x = 9,299,999,580,872.54/2,919,167.70
  6. Step 6: Final answer
    x = 3,185,839.44

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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.