Home / 3,120,061-4,680,091.50-756,157

Finding the Fourth Proportional to 3,120,061, 4,680,091.50 and 756,157

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Solution

The fourth proportional to 3,120,061, 4,680,091.50 and 756,157 is: 1,134,235.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,120,061 : 4,680,091.50 = 756,157 : x
  2. Step 2: Convert to fraction form
    3,120,061/4,680,091.50 = 756,157/x
  3. Step 3: Cross multiply
    3,120,061x = 4,680,091.50 × 756,157
  4. Step 4: Simplify right side
    3,120,061x = 3,538,883,948,365.50
  5. Step 5: Solve for x
    x = 3,538,883,948,365.50/3,120,061
  6. Step 6: Final answer
    x = 1,134,235.50

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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.