Finding the Fourth Proportional to 1,728,456.32, 2,593,841.66 and 717,579.14
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Solution
The fourth proportional to 1,728,456.32, 2,593,841.66 and 717,579.14 is: 1,076,849.11
Step by Step Solution
- Step 1: Write the proportion equation
1,728,456.32 : 2,593,841.66 = 717,579.14 : x - Step 2: Convert to fraction form
1,728,456.32/2,593,841.66 = 717,579.14/x - Step 3: Cross multiply
1,728,456.32x = 2,593,841.66 × 717,579.14 - Step 4: Simplify right side
1,728,456.32x = 1,861,286,651,121.87 - Step 5: Solve for x
x = 1,861,286,651,121.87/1,728,456.32 - Step 6: Final answer
x = 1,076,849.11
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.