Finding the Fourth Proportional to 3,763,520.16, 5,193,283.12 and 2,131,601.84
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Solution
The fourth proportional to 3,763,520.16, 5,193,283.12 and 2,131,601.84 is: 2,941,398.31
Step by Step Solution
- Step 1: Write the proportion equation
3,763,520.16 : 5,193,283.12 = 2,131,601.84 : x - Step 2: Convert to fraction form
3,763,520.16/5,193,283.12 = 2,131,601.84/x - Step 3: Cross multiply
3,763,520.16x = 5,193,283.12 × 2,131,601.84 - Step 4: Simplify right side
3,763,520.16x = 11,070,011,854,232.94 - Step 5: Solve for x
x = 11,070,011,854,232.94/3,763,520.16 - Step 6: Final answer
x = 2,941,398.31
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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.