Finding the Fourth Proportional to 2,635,157.68, 3,635,182.12 and 1,666,656.88
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Solution
The fourth proportional to 2,635,157.68, 3,635,182.12 and 1,666,656.88 is: 2,299,141.85
Step by Step Solution
- Step 1: Write the proportion equation
2,635,157.68 : 3,635,182.12 = 1,666,656.88 : x - Step 2: Convert to fraction form
2,635,157.68/3,635,182.12 = 1,666,656.88/x - Step 3: Cross multiply
2,635,157.68x = 3,635,182.12 × 1,666,656.88 - Step 4: Simplify right side
2,635,157.68x = 6,058,601,290,350.99 - Step 5: Solve for x
x = 6,058,601,290,350.99/2,635,157.68 - Step 6: Final answer
x = 2,299,141.85
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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.