Finding the Fourth Proportional to 2,138,324.63, 3,207,965.63 and 718,341.98
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Solution
The fourth proportional to 2,138,324.63, 3,207,965.63 and 718,341.98 is: 1,077,673.77
Step by Step Solution
- Step 1: Write the proportion equation
2,138,324.63 : 3,207,965.63 = 718,341.98 : x - Step 2: Convert to fraction form
2,138,324.63/3,207,965.63 = 718,341.98/x - Step 3: Cross multiply
2,138,324.63x = 3,207,965.63 × 718,341.98 - Step 4: Simplify right side
2,138,324.63x = 2,304,416,362,794.61 - Step 5: Solve for x
x = 2,304,416,362,794.61/2,138,324.63 - Step 6: Final answer
x = 1,077,673.77
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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.