Finding the Fourth Proportional to 2,994,142.05, 4,127,613.90 and 2,133,207.63
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Solution
The fourth proportional to 2,994,142.05, 4,127,613.90 and 2,133,207.63 is: 2,940,761.43
Step by Step Solution
- Step 1: Write the proportion equation
2,994,142.05 : 4,127,613.90 = 2,133,207.63 : x - Step 2: Convert to fraction form
2,994,142.05/4,127,613.90 = 2,133,207.63/x - Step 3: Cross multiply
2,994,142.05x = 4,127,613.90 × 2,133,207.63 - Step 4: Simplify right side
2,994,142.05x = 8,805,057,465,174.06 - Step 5: Solve for x
x = 8,805,057,465,174.06/2,994,142.05 - Step 6: Final answer
x = 2,940,761.43
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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.