Home / 2,945,331.70-4,414,887.15-1,680,435.70

Finding the Fourth Proportional to 2,945,331.70, 4,414,887.15 and 1,680,435.70

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Solution

The fourth proportional to 2,945,331.70, 4,414,887.15 and 1,680,435.70 is: 2,518,878.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,945,331.70 : 4,414,887.15 = 1,680,435.70 : x
  2. Step 2: Convert to fraction form
    2,945,331.70/4,414,887.15 = 1,680,435.70/x
  3. Step 3: Cross multiply
    2,945,331.70x = 4,414,887.15 × 1,680,435.70
  4. Step 4: Simplify right side
    2,945,331.70x = 7,418,933,978,331.26
  5. Step 5: Solve for x
    x = 7,418,933,978,331.26/2,945,331.70
  6. Step 6: Final answer
    x = 2,518,878.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.