Home / 2,049,138.20-3,075,456.90-913,647.80

Finding the Fourth Proportional to 2,049,138.20, 3,075,456.90 and 913,647.80

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Solution

The fourth proportional to 2,049,138.20, 3,075,456.90 and 913,647.80 is: 1,371,251.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,049,138.20 : 3,075,456.90 = 913,647.80 : x
  2. Step 2: Convert to fraction form
    2,049,138.20/3,075,456.90 = 913,647.80/x
  3. Step 3: Cross multiply
    2,049,138.20x = 3,075,456.90 × 913,647.80
  4. Step 4: Simplify right side
    2,049,138.20x = 2,809,884,430,679.82
  5. Step 5: Solve for x
    x = 2,809,884,430,679.82/2,049,138.20
  6. Step 6: Final answer
    x = 1,371,251.79

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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.