Home / 2,928,052.32-4,040,711.10-1,638,892.37

Finding the Fourth Proportional to 2,928,052.32, 4,040,711.10 and 1,638,892.37

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Solution

The fourth proportional to 2,928,052.32, 4,040,711.10 and 1,638,892.37 is: 2,261,670.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,928,052.32 : 4,040,711.10 = 1,638,892.37 : x
  2. Step 2: Convert to fraction form
    2,928,052.32/4,040,711.10 = 1,638,892.37/x
  3. Step 3: Cross multiply
    2,928,052.32x = 4,040,711.10 × 1,638,892.37
  4. Step 4: Simplify right side
    2,928,052.32x = 6,622,290,570,960.75
  5. Step 5: Solve for x
    x = 6,622,290,570,960.75/2,928,052.32
  6. Step 6: Final answer
    x = 2,261,670.85

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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.