Home / 2,805,190.92-3,869,368.38-1,945,437.48

Finding the Fourth Proportional to 2,805,190.92, 3,869,368.38 and 1,945,437.48

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Solution

The fourth proportional to 2,805,190.92, 3,869,368.38 and 1,945,437.48 is: 2,683,458.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,805,190.92 : 3,869,368.38 = 1,945,437.48 : x
  2. Step 2: Convert to fraction form
    2,805,190.92/3,869,368.38 = 1,945,437.48/x
  3. Step 3: Cross multiply
    2,805,190.92x = 3,869,368.38 × 1,945,437.48
  4. Step 4: Simplify right side
    2,805,190.92x = 7,527,614,270,378.88
  5. Step 5: Solve for x
    x = 7,527,614,270,378.88/2,805,190.92
  6. Step 6: Final answer
    x = 2,683,458.80

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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.