Finding the Fourth Proportional to 5,292,937.20, 7,305,897.96 and 4,207,135.44
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Solution
The fourth proportional to 5,292,937.20, 7,305,897.96 and 4,207,135.44 is: 5,807,154.15
Step by Step Solution
- Step 1: Write the proportion equation
5,292,937.20 : 7,305,897.96 = 4,207,135.44 : x - Step 2: Convert to fraction form
5,292,937.20/7,305,897.96 = 4,207,135.44/x - Step 3: Cross multiply
5,292,937.20x = 7,305,897.96 × 4,207,135.44 - Step 4: Simplify right side
5,292,937.20x = 30,736,902,228,539.71 - Step 5: Solve for x
x = 30,736,902,228,539.71/5,292,937.20 - Step 6: Final answer
x = 5,807,154.15
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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.