Finding the Fourth Proportional to 1,149,473.05, 1,586,272.82 and 640,175.42
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Solution
The fourth proportional to 1,149,473.05, 1,586,272.82 and 640,175.42 is: 883,442.09
Step by Step Solution
- Step 1: Write the proportion equation
1,149,473.05 : 1,586,272.82 = 640,175.42 : x - Step 2: Convert to fraction form
1,149,473.05/1,586,272.82 = 640,175.42/x - Step 3: Cross multiply
1,149,473.05x = 1,586,272.82 × 640,175.42 - Step 4: Simplify right side
1,149,473.05x = 1,015,492,869,542.89 - Step 5: Solve for x
x = 1,015,492,869,542.89/1,149,473.05 - Step 6: Final answer
x = 883,442.09
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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.