Finding the Fourth Proportional to 3,635,101.80, 5,452,652.70 and 3,280,807.80
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Solution
The fourth proportional to 3,635,101.80, 5,452,652.70 and 3,280,807.80 is: 4,921,211.70
Step by Step Solution
- Step 1: Write the proportion equation
3,635,101.80 : 5,452,652.70 = 3,280,807.80 : x - Step 2: Convert to fraction form
3,635,101.80/5,452,652.70 = 3,280,807.80/x - Step 3: Cross multiply
3,635,101.80x = 5,452,652.70 × 3,280,807.80 - Step 4: Simplify right side
3,635,101.80x = 17,889,105,508,851.06 - Step 5: Solve for x
x = 17,889,105,508,851.06/3,635,101.80 - Step 6: Final answer
x = 4,921,211.70
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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.