Finding the Fourth Proportional to 3,877,432.41, 5,347,373.38 and 2,427,260.05
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Solution
The fourth proportional to 3,877,432.41, 5,347,373.38 and 2,427,260.05 is: 3,347,438.31
Step by Step Solution
- Step 1: Write the proportion equation
3,877,432.41 : 5,347,373.38 = 2,427,260.05 : x - Step 2: Convert to fraction form
3,877,432.41/5,347,373.38 = 2,427,260.05/x - Step 3: Cross multiply
3,877,432.41x = 5,347,373.38 × 2,427,260.05 - Step 4: Simplify right side
3,877,432.41x = 12,979,465,777,707.47 - Step 5: Solve for x
x = 12,979,465,777,707.47/3,877,432.41 - Step 6: Final answer
x = 3,347,438.31
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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.