Finding the Fourth Proportional to 2,138,323.68, 3,207,964.22 and 718,341.03
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Solution
The fourth proportional to 2,138,323.68, 3,207,964.22 and 718,341.03 is: 1,077,672.36
Step by Step Solution
- Step 1: Write the proportion equation
2,138,323.68 : 3,207,964.22 = 718,341.03 : x - Step 2: Convert to fraction form
2,138,323.68/3,207,964.22 = 718,341.03/x - Step 3: Cross multiply
2,138,323.68x = 3,207,964.22 × 718,341.03 - Step 4: Simplify right side
2,138,323.68x = 2,304,412,321,997.95 - Step 5: Solve for x
x = 2,304,412,321,997.95/2,138,323.68 - Step 6: Final answer
x = 1,077,672.36
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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.