Home / 2,880,995.70-3,975,765.89-1,591,826.91

Finding the Fourth Proportional to 2,880,995.70, 3,975,765.89 and 1,591,826.91

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Solution

The fourth proportional to 2,880,995.70, 3,975,765.89 and 1,591,826.91 is: 2,196,716.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,880,995.70 : 3,975,765.89 = 1,591,826.91 : x
  2. Step 2: Convert to fraction form
    2,880,995.70/3,975,765.89 = 1,591,826.91/x
  3. Step 3: Cross multiply
    2,880,995.70x = 3,975,765.89 × 1,591,826.91
  4. Step 4: Simplify right side
    2,880,995.70x = 6,328,731,131,562.10
  5. Step 5: Solve for x
    x = 6,328,731,131,562.10/2,880,995.70
  6. Step 6: Final answer
    x = 2,196,716.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.