Home / 2,405,876.10-3,609,619.84-786,719.60

Finding the Fourth Proportional to 2,405,876.10, 3,609,619.84 and 786,719.60

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Solution

The fourth proportional to 2,405,876.10, 3,609,619.84 and 786,719.60 is: 1,180,342.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,405,876.10 : 3,609,619.84 = 786,719.60 : x
  2. Step 2: Convert to fraction form
    2,405,876.10/3,609,619.84 = 786,719.60/x
  3. Step 3: Cross multiply
    2,405,876.10x = 3,609,619.84 × 786,719.60
  4. Step 4: Simplify right side
    2,405,876.10x = 2,839,758,690,212.94
  5. Step 5: Solve for x
    x = 2,839,758,690,212.94/2,405,876.10
  6. Step 6: Final answer
    x = 1,180,342.87

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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.