Home / 2,805,191.92-3,869,369.76-1,945,438.48

Finding the Fourth Proportional to 2,805,191.92, 3,869,369.76 and 1,945,438.48

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Solution

The fourth proportional to 2,805,191.92, 3,869,369.76 and 1,945,438.48 is: 2,683,460.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,805,191.92 : 3,869,369.76 = 1,945,438.48 : x
  2. Step 2: Convert to fraction form
    2,805,191.92/3,869,369.76 = 1,945,438.48/x
  3. Step 3: Cross multiply
    2,805,191.92x = 3,869,369.76 × 1,945,438.48
  4. Step 4: Simplify right side
    2,805,191.92x = 7,527,620,824,452.36
  5. Step 5: Solve for x
    x = 7,527,620,824,452.36/2,805,191.92
  6. Step 6: Final answer
    x = 2,683,460.18

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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.