Finding the Fourth Proportional to 2,154,463.79, 3,232,168.67 and 638,265.42
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Solution
The fourth proportional to 2,154,463.79, 3,232,168.67 and 638,265.42 is: 957,538.26
Step by Step Solution
- Step 1: Write the proportion equation
2,154,463.79 : 3,232,168.67 = 638,265.42 : x - Step 2: Convert to fraction form
2,154,463.79/3,232,168.67 = 638,265.42/x - Step 3: Cross multiply
2,154,463.79x = 3,232,168.67 × 638,265.42 - Step 4: Simplify right side
2,154,463.79x = 2,062,981,495,264.06 - Step 5: Solve for x
x = 2,062,981,495,264.06/2,154,463.79 - Step 6: Final answer
x = 957,538.26
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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.