Finding the Fourth Proportional to 4,546,663.20, 6,822,619.20 and 1,707,062.40
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Solution
The fourth proportional to 4,546,663.20, 6,822,619.20 and 1,707,062.40 is: 2,561,578.94
Step by Step Solution
- Step 1: Write the proportion equation
4,546,663.20 : 6,822,619.20 = 1,707,062.40 : x - Step 2: Convert to fraction form
4,546,663.20/6,822,619.20 = 1,707,062.40/x - Step 3: Cross multiply
4,546,663.20x = 6,822,619.20 × 1,707,062.40 - Step 4: Simplify right side
4,546,663.20x = 11,646,636,705,838.08 - Step 5: Solve for x
x = 11,646,636,705,838.08/4,546,663.20 - Step 6: Final answer
x = 2,561,578.94
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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.