Finding the Fourth Proportional to 3,910,069.17, 5,393,977.99 and 3,393,097.47
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Solution
The fourth proportional to 3,910,069.17, 5,393,977.99 and 3,393,097.47 is: 4,680,810.56
Step by Step Solution
- Step 1: Write the proportion equation
3,910,069.17 : 5,393,977.99 = 3,393,097.47 : x - Step 2: Convert to fraction form
3,910,069.17/5,393,977.99 = 3,393,097.47/x - Step 3: Cross multiply
3,910,069.17x = 5,393,977.99 × 3,393,097.47 - Step 4: Simplify right side
3,910,069.17x = 18,302,293,066,102.48 - Step 5: Solve for x
x = 18,302,293,066,102.48/3,910,069.17 - Step 6: Final answer
x = 4,680,810.56
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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.