Finding the Fourth Proportional to 4,172,484.31, 6,259,625.61 and 1,293,793.23
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Solution
The fourth proportional to 4,172,484.31, 6,259,625.61 and 1,293,793.23 is: 1,940,968.65
Step by Step Solution
- Step 1: Write the proportion equation
4,172,484.31 : 6,259,625.61 = 1,293,793.23 : x - Step 2: Convert to fraction form
4,172,484.31/6,259,625.61 = 1,293,793.23/x - Step 3: Cross multiply
4,172,484.31x = 6,259,625.61 × 1,293,793.23 - Step 4: Simplify right side
4,172,484.31x = 8,098,661,236,552.62 - Step 5: Solve for x
x = 8,098,661,236,552.62/4,172,484.31 - Step 6: Final answer
x = 1,940,968.65
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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.