Home / 2,805,185.17-3,869,360.44-1,945,431.73

Finding the Fourth Proportional to 2,805,185.17, 3,869,360.44 and 1,945,431.73

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Solution

The fourth proportional to 2,805,185.17, 3,869,360.44 and 1,945,431.73 is: 2,683,450.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,805,185.17 : 3,869,360.44 = 1,945,431.73 : x
  2. Step 2: Convert to fraction form
    2,805,185.17/3,869,360.44 = 1,945,431.73/x
  3. Step 3: Cross multiply
    2,805,185.17x = 3,869,360.44 × 1,945,431.73
  4. Step 4: Simplify right side
    2,805,185.17x = 7,527,576,574,782.76
  5. Step 5: Solve for x
    x = 7,527,576,574,782.76/2,805,185.17
  6. Step 6: Final answer
    x = 2,683,450.87

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Double scale
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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.