Finding the Fourth Proportional to 2,527,042.12, 3,487,309.70 and 1,381,122.12
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Solution
The fourth proportional to 2,527,042.12, 3,487,309.70 and 1,381,122.12 is: 1,905,943.92
Step by Step Solution
- Step 1: Write the proportion equation
2,527,042.12 : 3,487,309.70 = 1,381,122.12 : x - Step 2: Convert to fraction form
2,527,042.12/3,487,309.70 = 1,381,122.12/x - Step 3: Cross multiply
2,527,042.12x = 3,487,309.70 × 1,381,122.12 - Step 4: Simplify right side
2,527,042.12x = 4,816,400,565,960.56 - Step 5: Solve for x
x = 4,816,400,565,960.56/2,527,042.12 - Step 6: Final answer
x = 1,905,943.92
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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.