Finding the Fourth Proportional to 1,605,872.62, 2,216,132.57 and 880,713.99
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Solution
The fourth proportional to 1,605,872.62, 2,216,132.57 and 880,713.99 is: 1,215,400.86
Step by Step Solution
- Step 1: Write the proportion equation
1,605,872.62 : 2,216,132.57 = 880,713.99 : x - Step 2: Convert to fraction form
1,605,872.62/2,216,132.57 = 880,713.99/x - Step 3: Cross multiply
1,605,872.62x = 2,216,132.57 × 880,713.99 - Step 4: Simplify right side
1,605,872.62x = 1,951,778,958,093.65 - Step 5: Solve for x
x = 1,951,778,958,093.65/1,605,872.62 - Step 6: Final answer
x = 1,215,400.86
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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.