Home / 2,405,889.12-3,609,639.36-786,732.60

Finding the Fourth Proportional to 2,405,889.12, 3,609,639.36 and 786,732.60

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Solution

The fourth proportional to 2,405,889.12, 3,609,639.36 and 786,732.60 is: 1,180,362.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,405,889.12 : 3,609,639.36 = 786,732.60 : x
  2. Step 2: Convert to fraction form
    2,405,889.12/3,609,639.36 = 786,732.60/x
  3. Step 3: Cross multiply
    2,405,889.12x = 3,609,639.36 × 786,732.60
  4. Step 4: Simplify right side
    2,405,889.12x = 2,839,820,958,755.14
  5. Step 5: Solve for x
    x = 2,839,820,958,755.14/2,405,889.12
  6. Step 6: Final answer
    x = 1,180,362.36

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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.