Finding the Fourth Proportional to 5,222,701.71, 7,207,648.20 and 2,930,862.42
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Solution
The fourth proportional to 5,222,701.71, 7,207,648.20 and 2,930,862.42 is: 4,044,769.63
Step by Step Solution
- Step 1: Write the proportion equation
5,222,701.71 : 7,207,648.20 = 2,930,862.42 : x - Step 2: Convert to fraction form
5,222,701.71/7,207,648.20 = 2,930,862.42/x - Step 3: Cross multiply
5,222,701.71x = 7,207,648.20 × 2,930,862.42 - Step 4: Simplify right side
5,222,701.71x = 21,124,625,245,960.64 - Step 5: Solve for x
x = 21,124,625,245,960.64/5,222,701.71 - Step 6: Final answer
x = 4,044,769.63
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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.