Finding the Fourth Proportional to 3,548,479.84, 4,896,897.37 and 2,020,586.97
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Solution
The fourth proportional to 3,548,479.84, 4,896,897.37 and 2,020,586.97 is: 2,788,407.27
Step by Step Solution
- Step 1: Write the proportion equation
3,548,479.84 : 4,896,897.37 = 2,020,586.97 : x - Step 2: Convert to fraction form
3,548,479.84/4,896,897.37 = 2,020,586.97/x - Step 3: Cross multiply
3,548,479.84x = 4,896,897.37 × 2,020,586.97 - Step 4: Simplify right side
3,548,479.84x = 9,894,607,007,007.03 - Step 5: Solve for x
x = 9,894,607,007,007.03/3,548,479.84 - Step 6: Final answer
x = 2,788,407.27
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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.