Home / 5,105,470.88-7,045,549.88-2,813,631.54

Finding the Fourth Proportional to 5,105,470.88, 7,045,549.88 and 2,813,631.54

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Solution

The fourth proportional to 5,105,470.88, 7,045,549.88 and 2,813,631.54 is: 3,882,811.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,105,470.88 : 7,045,549.88 = 2,813,631.54 : x
  2. Step 2: Convert to fraction form
    5,105,470.88/7,045,549.88 = 2,813,631.54/x
  3. Step 3: Cross multiply
    5,105,470.88x = 7,045,549.88 × 2,813,631.54
  4. Step 4: Simplify right side
    5,105,470.88x = 19,823,581,344,943.06
  5. Step 5: Solve for x
    x = 19,823,581,344,943.06/5,105,470.88
  6. Step 6: Final answer
    x = 3,882,811.56

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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.