Finding the Fourth Proportional to 2,486,961.76, 3,432,133.20 and 1,468,344.64
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Solution
The fourth proportional to 2,486,961.76, 3,432,133.20 and 1,468,344.64 is: 2,026,389.98
Step by Step Solution
- Step 1: Write the proportion equation
2,486,961.76 : 3,432,133.20 = 1,468,344.64 : x - Step 2: Convert to fraction form
2,486,961.76/3,432,133.20 = 1,468,344.64/x - Step 3: Cross multiply
2,486,961.76x = 3,432,133.20 × 1,468,344.64 - Step 4: Simplify right side
2,486,961.76x = 5,039,554,387,986.05 - Step 5: Solve for x
x = 5,039,554,387,986.05/2,486,961.76 - Step 6: Final answer
x = 2,026,389.98
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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.