Home / 3,896,012.07-5,376,488.00-2,177,132.76

Finding the Fourth Proportional to 3,896,012.07, 5,376,488.00 and 2,177,132.76

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Solution

The fourth proportional to 3,896,012.07, 5,376,488.00 and 2,177,132.76 is: 3,004,438.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,896,012.07 : 5,376,488.00 = 2,177,132.76 : x
  2. Step 2: Convert to fraction form
    3,896,012.07/5,376,488.00 = 2,177,132.76/x
  3. Step 3: Cross multiply
    3,896,012.07x = 5,376,488.00 × 2,177,132.76
  4. Step 4: Simplify right side
    3,896,012.07x = 11,705,328,147,661.21
  5. Step 5: Solve for x
    x = 11,705,328,147,661.21/3,896,012.07
  6. Step 6: Final answer
    x = 3,004,438.37

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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.