Finding the Fourth Proportional to 1,718,774.24, 2,578,212.48 and 820,310.72
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Solution
The fourth proportional to 1,718,774.24, 2,578,212.48 and 820,310.72 is: 1,230,490.48
Step by Step Solution
- Step 1: Write the proportion equation
1,718,774.24 : 2,578,212.48 = 820,310.72 : x - Step 2: Convert to fraction form
1,718,774.24/2,578,212.48 = 820,310.72/x - Step 3: Cross multiply
1,718,774.24x = 2,578,212.48 × 820,310.72 - Step 4: Simplify right side
1,718,774.24x = 2,114,935,335,781.79 - Step 5: Solve for x
x = 2,114,935,335,781.79/1,718,774.24 - Step 6: Final answer
x = 1,230,490.48
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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.