Finding the Fourth Proportional to 3,578,684.94, 5,330,124.50 and 3,561,246.99
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Solution
The fourth proportional to 3,578,684.94, 5,330,124.50 and 3,561,246.99 is: 5,304,152.26
Step by Step Solution
- Step 1: Write the proportion equation
3,578,684.94 : 5,330,124.50 = 3,561,246.99 : x - Step 2: Convert to fraction form
3,578,684.94/5,330,124.50 = 3,561,246.99/x - Step 3: Cross multiply
3,578,684.94x = 5,330,124.50 × 3,561,246.99 - Step 4: Simplify right side
3,578,684.94x = 18,981,889,814,144.02 - Step 5: Solve for x
x = 18,981,889,814,144.02/3,578,684.94 - Step 6: Final answer
x = 5,304,152.26
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.