Finding the Fourth Proportional to 5,284,781.66, 7,292,553.18 and 2,930,042.18
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Solution
The fourth proportional to 5,284,781.66, 7,292,553.18 and 2,930,042.18 is: 4,043,211.20
Step by Step Solution
- Step 1: Write the proportion equation
5,284,781.66 : 7,292,553.18 = 2,930,042.18 : x - Step 2: Convert to fraction form
5,284,781.66/7,292,553.18 = 2,930,042.18/x - Step 3: Cross multiply
5,284,781.66x = 7,292,553.18 × 2,930,042.18 - Step 4: Simplify right side
5,284,781.66x = 21,367,488,417,293.13 - Step 5: Solve for x
x = 21,367,488,417,293.13/5,284,781.66 - Step 6: Final answer
x = 4,043,211.20
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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.