Finding the Fourth Proportional to 2,299,221.11, 3,172,926 and 1,332,911.56
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Solution
The fourth proportional to 2,299,221.11, 3,172,926 and 1,332,911.56 is: 1,839,418.45
Step by Step Solution
- Step 1: Write the proportion equation
2,299,221.11 : 3,172,926 = 1,332,911.56 : x - Step 2: Convert to fraction form
2,299,221.11/3,172,926 = 1,332,911.56/x - Step 3: Cross multiply
2,299,221.11x = 3,172,926 × 1,332,911.56 - Step 4: Simplify right side
2,299,221.11x = 4,229,229,728,559.93 - Step 5: Solve for x
x = 4,229,229,728,559.93/2,299,221.11 - Step 6: Final answer
x = 1,839,418.45
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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.