Finding the Fourth Proportional to 2,634,722.68, 3,635,869.98 and 1,488,778.24
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Solution
The fourth proportional to 2,634,722.68, 3,635,869.98 and 1,488,778.24 is: 2,054,487.23
Step by Step Solution
- Step 1: Write the proportion equation
2,634,722.68 : 3,635,869.98 = 1,488,778.24 : x - Step 2: Convert to fraction form
2,634,722.68/3,635,869.98 = 1,488,778.24/x - Step 3: Cross multiply
2,634,722.68x = 3,635,869.98 × 1,488,778.24 - Step 4: Simplify right side
2,634,722.68x = 5,413,004,109,693.24 - Step 5: Solve for x
x = 5,413,004,109,693.24/2,634,722.68 - Step 6: Final answer
x = 2,054,487.23
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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.