Finding the Fourth Proportional to 5,236,686.66, 7,838,228.16 and 2,801,748.66
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Solution
The fourth proportional to 5,236,686.66, 7,838,228.16 and 2,801,748.66 is: 4,193,633.62
Step by Step Solution
- Step 1: Write the proportion equation
5,236,686.66 : 7,838,228.16 = 2,801,748.66 : x - Step 2: Convert to fraction form
5,236,686.66/7,838,228.16 = 2,801,748.66/x - Step 3: Cross multiply
5,236,686.66x = 7,838,228.16 × 2,801,748.66 - Step 4: Simplify right side
5,236,686.66x = 21,960,745,244,054.27 - Step 5: Solve for x
x = 21,960,745,244,054.27/5,236,686.66 - Step 6: Final answer
x = 4,193,633.62
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.