Finding the Fourth Proportional to 2,297,539.84, 3,171,585.12 and 1,635,678.40
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Solution
The fourth proportional to 2,297,539.84, 3,171,585.12 and 1,635,678.40 is: 2,257,933.98
Step by Step Solution
- Step 1: Write the proportion equation
2,297,539.84 : 3,171,585.12 = 1,635,678.40 : x - Step 2: Convert to fraction form
2,297,539.84/3,171,585.12 = 1,635,678.40/x - Step 3: Cross multiply
2,297,539.84x = 3,171,585.12 × 1,635,678.40 - Step 4: Simplify right side
2,297,539.84x = 5,187,693,274,545.41 - Step 5: Solve for x
x = 5,187,693,274,545.41/2,297,539.84 - Step 6: Final answer
x = 2,257,933.98
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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.