Home / 3,120,036.52-4,680,054.74-756,132.52

Finding the Fourth Proportional to 3,120,036.52, 4,680,054.74 and 756,132.52

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Solution

The fourth proportional to 3,120,036.52, 4,680,054.74 and 756,132.52 is: 1,134,198.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,120,036.52 : 4,680,054.74 = 756,132.52 : x
  2. Step 2: Convert to fraction form
    3,120,036.52/4,680,054.74 = 756,132.52/x
  3. Step 3: Cross multiply
    3,120,036.52x = 4,680,054.74 × 756,132.52
  4. Step 4: Simplify right side
    3,120,036.52x = 3,538,741,584,294.15
  5. Step 5: Solve for x
    x = 3,538,741,584,294.15/3,120,036.52
  6. Step 6: Final answer
    x = 1,134,198.77

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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.