Finding the Fourth Proportional to 2,126,957.68, 2,935,233.48 and 1,160,084.44
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Solution
The fourth proportional to 2,126,957.68, 2,935,233.48 and 1,160,084.44 is: 1,600,933.92
Step by Step Solution
- Step 1: Write the proportion equation
2,126,957.68 : 2,935,233.48 = 1,160,084.44 : x - Step 2: Convert to fraction form
2,126,957.68/2,935,233.48 = 1,160,084.44/x - Step 3: Cross multiply
2,126,957.68x = 2,935,233.48 × 1,160,084.44 - Step 4: Simplify right side
2,126,957.68x = 3,405,118,687,915.05 - Step 5: Solve for x
x = 3,405,118,687,915.05/2,126,957.68 - Step 6: Final answer
x = 1,600,933.92
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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.