Home / 2,889,020.70-4,333,531.05-2,175,183.90

Finding the Fourth Proportional to 2,889,020.70, 4,333,531.05 and 2,175,183.90

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Solution

The fourth proportional to 2,889,020.70, 4,333,531.05 and 2,175,183.90 is: 3,262,775.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,889,020.70 : 4,333,531.05 = 2,175,183.90 : x
  2. Step 2: Convert to fraction form
    2,889,020.70/4,333,531.05 = 2,175,183.90/x
  3. Step 3: Cross multiply
    2,889,020.70x = 4,333,531.05 × 2,175,183.90
  4. Step 4: Simplify right side
    2,889,020.70x = 9,426,226,970,110.09
  5. Step 5: Solve for x
    x = 9,426,226,970,110.09/2,889,020.70
  6. Step 6: Final answer
    x = 3,262,775.85

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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.