Home / 2,591,920.98-3,889,616.85-1,075,605.48

Finding the Fourth Proportional to 2,591,920.98, 3,889,616.85 and 1,075,605.48

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Solution

The fourth proportional to 2,591,920.98, 3,889,616.85 and 1,075,605.48 is: 1,614,128.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,591,920.98 : 3,889,616.85 = 1,075,605.48 : x
  2. Step 2: Convert to fraction form
    2,591,920.98/3,889,616.85 = 1,075,605.48/x
  3. Step 3: Cross multiply
    2,591,920.98x = 3,889,616.85 × 1,075,605.48
  4. Step 4: Simplify right side
    2,591,920.98x = 4,183,693,198,960.34
  5. Step 5: Solve for x
    x = 4,183,693,198,960.34/2,591,920.98
  6. Step 6: Final answer
    x = 1,614,128.37

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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.