Finding the Fourth Proportional to 3,763,473.18, 5,193,218.25 and 2,131,554.84
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Solution
The fourth proportional to 3,763,473.18, 5,193,218.25 and 2,131,554.84 is: 2,941,333.43
Step by Step Solution
- Step 1: Write the proportion equation
3,763,473.18 : 5,193,218.25 = 2,131,554.84 : x - Step 2: Convert to fraction form
3,763,473.18/5,193,218.25 = 2,131,554.84/x - Step 3: Cross multiply
3,763,473.18x = 5,193,218.25 × 2,131,554.84 - Step 4: Simplify right side
3,763,473.18x = 11,069,629,495,963.83 - Step 5: Solve for x
x = 11,069,629,495,963.83/3,763,473.18 - Step 6: Final answer
x = 2,941,333.43
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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.