Finding the Fourth Proportional to 2,527,033.55, 3,487,254.53 and 1,381,122.09
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Solution
The fourth proportional to 2,527,033.55, 3,487,254.53 and 1,381,122.09 is: 1,905,920.19
Step by Step Solution
- Step 1: Write the proportion equation
2,527,033.55 : 3,487,254.53 = 1,381,122.09 : x - Step 2: Convert to fraction form
2,527,033.55/3,487,254.53 = 1,381,122.09/x - Step 3: Cross multiply
2,527,033.55x = 3,487,254.53 × 1,381,122.09 - Step 4: Simplify right side
2,527,033.55x = 4,816,324,257,929.96 - Step 5: Solve for x
x = 4,816,324,257,929.96/2,527,033.55 - Step 6: Final answer
x = 1,905,920.19
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1.5x scale
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.