Home / 3,899,583.80-5,381,388.78-2,180,684.60

Finding the Fourth Proportional to 3,899,583.80, 5,381,388.78 and 2,180,684.60

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Solution

The fourth proportional to 3,899,583.80, 5,381,388.78 and 2,180,684.60 is: 3,009,324.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,899,583.80 : 5,381,388.78 = 2,180,684.60 : x
  2. Step 2: Convert to fraction form
    3,899,583.80/5,381,388.78 = 2,180,684.60/x
  3. Step 3: Cross multiply
    3,899,583.80x = 5,381,388.78 × 2,180,684.60
  4. Step 4: Simplify right side
    3,899,583.80x = 11,735,111,639,158.79
  5. Step 5: Solve for x
    x = 11,735,111,639,158.79/3,899,583.80
  6. Step 6: Final answer
    x = 3,009,324.13

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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.