Home / 3,511,492.56-5,267,238.66-987,147.81

Finding the Fourth Proportional to 3,511,492.56, 5,267,238.66 and 987,147.81

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Solution

The fourth proportional to 3,511,492.56, 5,267,238.66 and 987,147.81 is: 1,480,721.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,511,492.56 : 5,267,238.66 = 987,147.81 : x
  2. Step 2: Convert to fraction form
    3,511,492.56/5,267,238.66 = 987,147.81/x
  3. Step 3: Cross multiply
    3,511,492.56x = 5,267,238.66 × 987,147.81
  4. Step 4: Simplify right side
    3,511,492.56x = 5,199,543,107,966.34
  5. Step 5: Solve for x
    x = 5,199,543,107,966.34/3,511,492.56
  6. Step 6: Final answer
    x = 1,480,721.66

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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.