Home / 2,612,443.49-3,912,699.13-1,247,177.56

Finding the Fourth Proportional to 2,612,443.49, 3,912,699.13 and 1,247,177.56

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Solution

The fourth proportional to 2,612,443.49, 3,912,699.13 and 1,247,177.56 is: 1,867,918.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,612,443.49 : 3,912,699.13 = 1,247,177.56 : x
  2. Step 2: Convert to fraction form
    2,612,443.49/3,912,699.13 = 1,247,177.56/x
  3. Step 3: Cross multiply
    2,612,443.49x = 3,912,699.13 × 1,247,177.56
  4. Step 4: Simplify right side
    2,612,443.49x = 4,879,830,545,744.75
  5. Step 5: Solve for x
    x = 4,879,830,545,744.75/2,612,443.49
  6. Step 6: Final answer
    x = 1,867,918.12

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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.