Finding the Fourth Proportional to 3,197,739.47, 4,412,943.99 and 1,747,524.78
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Solution
The fourth proportional to 3,197,739.47, 4,412,943.99 and 1,747,524.78 is: 2,411,618.91
Step by Step Solution
- Step 1: Write the proportion equation
3,197,739.47 : 4,412,943.99 = 1,747,524.78 : x - Step 2: Convert to fraction form
3,197,739.47/4,412,943.99 = 1,747,524.78/x - Step 3: Cross multiply
3,197,739.47x = 4,412,943.99 × 1,747,524.78 - Step 4: Simplify right side
3,197,739.47x = 7,711,728,975,277.07 - Step 5: Solve for x
x = 7,711,728,975,277.07/3,197,739.47 - Step 6: Final answer
x = 2,411,618.91
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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.