Finding the Fourth Proportional to 2,138,319.27, 3,207,957.62 and 718,336.62
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Solution
The fourth proportional to 2,138,319.27, 3,207,957.62 and 718,336.62 is: 1,077,665.75
Step by Step Solution
- Step 1: Write the proportion equation
2,138,319.27 : 3,207,957.62 = 718,336.62 : x - Step 2: Convert to fraction form
2,138,319.27/3,207,957.62 = 718,336.62/x - Step 3: Cross multiply
2,138,319.27x = 3,207,957.62 × 718,336.62 - Step 4: Simplify right side
2,138,319.27x = 2,304,393,430,262.36 - Step 5: Solve for x
x = 2,304,393,430,262.36/2,138,319.27 - Step 6: Final answer
x = 1,077,665.75
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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.