Finding the Fourth Proportional to 3,350,718.64, 4,988,180.56 and 3,330,789.76
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Solution
The fourth proportional to 3,350,718.64, 4,988,180.56 and 3,330,789.76 is: 4,958,512.64
Step by Step Solution
- Step 1: Write the proportion equation
3,350,718.64 : 4,988,180.56 = 3,330,789.76 : x - Step 2: Convert to fraction form
3,350,718.64/4,988,180.56 = 3,330,789.76/x - Step 3: Cross multiply
3,350,718.64x = 4,988,180.56 × 3,330,789.76 - Step 4: Simplify right side
3,350,718.64x = 16,614,580,730,279.06 - Step 5: Solve for x
x = 16,614,580,730,279.06/3,350,718.64 - Step 6: Final answer
x = 4,958,512.64
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.