Finding the Fourth Proportional to 5,582,778.68, 7,705,905.28 and 3,260,297.67
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Solution
The fourth proportional to 5,582,778.68, 7,705,905.28 and 3,260,297.67 is: 4,500,186.46
Step by Step Solution
- Step 1: Write the proportion equation
5,582,778.68 : 7,705,905.28 = 3,260,297.67 : x - Step 2: Convert to fraction form
5,582,778.68/7,705,905.28 = 3,260,297.67/x - Step 3: Cross multiply
5,582,778.68x = 7,705,905.28 × 3,260,297.67 - Step 4: Simplify right side
5,582,778.68x = 25,123,545,021,473.95 - Step 5: Solve for x
x = 25,123,545,021,473.95/5,582,778.68 - Step 6: Final answer
x = 4,500,186.46
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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.