Finding the Fourth Proportional to 3,935,972.04, 5,431,473.57 and 2,193,548.70
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Solution
The fourth proportional to 3,935,972.04, 5,431,473.57 and 2,193,548.70 is: 3,027,003.66
Step by Step Solution
- Step 1: Write the proportion equation
3,935,972.04 : 5,431,473.57 = 2,193,548.70 : x - Step 2: Convert to fraction form
3,935,972.04/5,431,473.57 = 2,193,548.70/x - Step 3: Cross multiply
3,935,972.04x = 5,431,473.57 × 2,193,548.70 - Step 4: Simplify right side
3,935,972.04x = 11,914,201,788,557.86 - Step 5: Solve for x
x = 11,914,201,788,557.86/3,935,972.04 - Step 6: Final answer
x = 3,027,003.66
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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.