Home / 3,989,018.39-5,945,581.26-3,761,993.21

Finding the Fourth Proportional to 3,989,018.39, 5,945,581.26 and 3,761,993.21

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Solution

The fourth proportional to 3,989,018.39, 5,945,581.26 and 3,761,993.21 is: 5,607,203.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,989,018.39 : 5,945,581.26 = 3,761,993.21 : x
  2. Step 2: Convert to fraction form
    3,989,018.39/5,945,581.26 = 3,761,993.21/x
  3. Step 3: Cross multiply
    3,989,018.39x = 5,945,581.26 × 3,761,993.21
  4. Step 4: Simplify right side
    3,989,018.39x = 22,367,236,299,895.34
  5. Step 5: Solve for x
    x = 22,367,236,299,895.34/3,989,018.39
  6. Step 6: Final answer
    x = 5,607,203.11

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.