Home / 2,578,485.32-3,867,729.06-980,679.32

Finding the Fourth Proportional to 2,578,485.32, 3,867,729.06 and 980,679.32

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Solution

The fourth proportional to 2,578,485.32, 3,867,729.06 and 980,679.32 is: 1,471,019.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,578,485.32 : 3,867,729.06 = 980,679.32 : x
  2. Step 2: Convert to fraction form
    2,578,485.32/3,867,729.06 = 980,679.32/x
  3. Step 3: Cross multiply
    2,578,485.32x = 3,867,729.06 × 980,679.32
  4. Step 4: Simplify right side
    2,578,485.32x = 3,793,001,904,505.04
  5. Step 5: Solve for x
    x = 3,793,001,904,505.04/2,578,485.32
  6. Step 6: Final answer
    x = 1,471,019.39

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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.