Home / 3,120,036-4,680,054-756,132

Finding the Fourth Proportional to 3,120,036, 4,680,054 and 756,132

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Solution

The fourth proportional to 3,120,036, 4,680,054 and 756,132 is: 1,134,198

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,120,036 : 4,680,054 = 756,132 : x
  2. Step 2: Convert to fraction form
    3,120,036/4,680,054 = 756,132/x
  3. Step 3: Cross multiply
    3,120,036x = 4,680,054 × 756,132
  4. Step 4: Simplify right side
    3,120,036x = 3,538,738,591,128
  5. Step 5: Solve for x
    x = 3,538,738,591,128/3,120,036
  6. Step 6: Final answer
    x = 1,134,198

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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.