Finding the Fourth Proportional to 2,176,286.80, 3,264,430.20 and 1,955,837.20
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Solution
The fourth proportional to 2,176,286.80, 3,264,430.20 and 1,955,837.20 is: 2,933,755.80
Step by Step Solution
- Step 1: Write the proportion equation
2,176,286.80 : 3,264,430.20 = 1,955,837.20 : x - Step 2: Convert to fraction form
2,176,286.80/3,264,430.20 = 1,955,837.20/x - Step 3: Cross multiply
2,176,286.80x = 3,264,430.20 × 1,955,837.20 - Step 4: Simplify right side
2,176,286.80x = 6,384,694,021,963.44 - Step 5: Solve for x
x = 6,384,694,021,963.44/2,176,286.80 - Step 6: Final answer
x = 2,933,755.80
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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.