Finding the Fourth Proportional to 1,564,616.66, 2,158,992.41 and 876,192.80
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Solution
The fourth proportional to 1,564,616.66, 2,158,992.41 and 876,192.80 is: 1,209,046.05
Step by Step Solution
- Step 1: Write the proportion equation
1,564,616.66 : 2,158,992.41 = 876,192.80 : x - Step 2: Convert to fraction form
1,564,616.66/2,158,992.41 = 876,192.80/x - Step 3: Cross multiply
1,564,616.66x = 2,158,992.41 × 876,192.80 - Step 4: Simplify right side
1,564,616.66x = 1,891,693,589,720.72 - Step 5: Solve for x
x = 1,891,693,589,720.72/1,564,616.66 - Step 6: Final answer
x = 1,209,046.05
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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.