Finding the Fourth Proportional to 2,212,454.25, 3,053,610.93 and 1,245,584.62
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Solution
The fourth proportional to 2,212,454.25, 3,053,610.93 and 1,245,584.62 is: 1,719,145.52
Step by Step Solution
- Step 1: Write the proportion equation
2,212,454.25 : 3,053,610.93 = 1,245,584.62 : x - Step 2: Convert to fraction form
2,212,454.25/3,053,610.93 = 1,245,584.62/x - Step 3: Cross multiply
2,212,454.25x = 3,053,610.93 × 1,245,584.62 - Step 4: Simplify right side
2,212,454.25x = 3,803,530,818,359.85 - Step 5: Solve for x
x = 3,803,530,818,359.85/2,212,454.25 - Step 6: Final answer
x = 1,719,145.52
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.