Finding the Fourth Proportional to 2,693,889.20, 3,717,653.54 and 1,532,305.46
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Solution
The fourth proportional to 2,693,889.20, 3,717,653.54 and 1,532,305.46 is: 2,114,630.70
Step by Step Solution
- Step 1: Write the proportion equation
2,693,889.20 : 3,717,653.54 = 1,532,305.46 : x - Step 2: Convert to fraction form
2,693,889.20/3,717,653.54 = 1,532,305.46/x - Step 3: Cross multiply
2,693,889.20x = 3,717,653.54 × 1,532,305.46 - Step 4: Simplify right side
2,693,889.20x = 5,696,580,791,480.53 - Step 5: Solve for x
x = 5,696,580,791,480.53/2,693,889.20 - Step 6: Final answer
x = 2,114,630.70
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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.