Finding the Fourth Proportional to 2,542,787.17, 3,509,109.63 and 1,381,233.09
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Solution
The fourth proportional to 2,542,787.17, 3,509,109.63 and 1,381,233.09 is: 1,906,136.07
Step by Step Solution
- Step 1: Write the proportion equation
2,542,787.17 : 3,509,109.63 = 1,381,233.09 : x - Step 2: Convert to fraction form
2,542,787.17/3,509,109.63 = 1,381,233.09/x - Step 3: Cross multiply
2,542,787.17x = 3,509,109.63 × 1,381,233.09 - Step 4: Simplify right side
2,542,787.17x = 4,846,898,337,393.66 - Step 5: Solve for x
x = 4,846,898,337,393.66/2,542,787.17 - Step 6: Final answer
x = 1,906,136.07
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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.