Finding the Fourth Proportional to 5,086,648.68, 7,017,839.10 and 3,152,203.44
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Solution
The fourth proportional to 5,086,648.68, 7,017,839.10 and 3,152,203.44 is: 4,348,964.90
Step by Step Solution
- Step 1: Write the proportion equation
5,086,648.68 : 7,017,839.10 = 3,152,203.44 : x - Step 2: Convert to fraction form
5,086,648.68/7,017,839.10 = 3,152,203.44/x - Step 3: Cross multiply
5,086,648.68x = 7,017,839.10 × 3,152,203.44 - Step 4: Simplify right side
5,086,648.68x = 22,121,656,552,386.50 - Step 5: Solve for x
x = 22,121,656,552,386.50/5,086,648.68 - Step 6: Final answer
x = 4,348,964.90
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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.