Finding the Fourth Proportional to 1,593,639.50, 2,199,158.42 and 868,471.79
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Solution
The fourth proportional to 1,593,639.50, 2,199,158.42 and 868,471.79 is: 1,198,456.14
Step by Step Solution
- Step 1: Write the proportion equation
1,593,639.50 : 2,199,158.42 = 868,471.79 : x - Step 2: Convert to fraction form
1,593,639.50/2,199,158.42 = 868,471.79/x - Step 3: Cross multiply
1,593,639.50x = 2,199,158.42 × 868,471.79 - Step 4: Simplify right side
1,593,639.50x = 1,909,907,034,172.82 - Step 5: Solve for x
x = 1,909,907,034,172.82/1,593,639.50 - Step 6: Final answer
x = 1,198,456.14
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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.