Home / 2,665,414.75-3,678,272.36-1,441,720.21

Finding the Fourth Proportional to 2,665,414.75, 3,678,272.36 and 1,441,720.21

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Solution

The fourth proportional to 2,665,414.75, 3,678,272.36 and 1,441,720.21 is: 1,989,573.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,665,414.75 : 3,678,272.36 = 1,441,720.21 : x
  2. Step 2: Convert to fraction form
    2,665,414.75/3,678,272.36 = 1,441,720.21/x
  3. Step 3: Cross multiply
    2,665,414.75x = 3,678,272.36 × 1,441,720.21
  4. Step 4: Simplify right side
    2,665,414.75x = 5,303,039,599,296.40
  5. Step 5: Solve for x
    x = 5,303,039,599,296.40/2,665,414.75
  6. Step 6: Final answer
    x = 1,989,573.89

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Double scale
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1.5x scale

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.