Home / 3,689,571.40-5,091,389.22-2,140,713.12

Finding the Fourth Proportional to 3,689,571.40, 5,091,389.22 and 2,140,713.12

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Solution

The fourth proportional to 3,689,571.40, 5,091,389.22 and 2,140,713.12 is: 2,954,056.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,689,571.40 : 5,091,389.22 = 2,140,713.12 : x
  2. Step 2: Convert to fraction form
    3,689,571.40/5,091,389.22 = 2,140,713.12/x
  3. Step 3: Cross multiply
    3,689,571.40x = 5,091,389.22 × 2,140,713.12
  4. Step 4: Simplify right side
    3,689,571.40x = 10,899,203,702,280.57
  5. Step 5: Solve for x
    x = 10,899,203,702,280.57/3,689,571.40
  6. Step 6: Final answer
    x = 2,954,056.86

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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.