Finding the Fourth Proportional to 2,252,691.09, 3,108,687.93 and 1,220,179.23
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Solution
The fourth proportional to 2,252,691.09, 3,108,687.93 and 1,220,179.23 is: 1,683,833.38
Step by Step Solution
- Step 1: Write the proportion equation
2,252,691.09 : 3,108,687.93 = 1,220,179.23 : x - Step 2: Convert to fraction form
2,252,691.09/3,108,687.93 = 1,220,179.23/x - Step 3: Cross multiply
2,252,691.09x = 3,108,687.93 × 1,220,179.23 - Step 4: Simplify right side
2,252,691.09x = 3,793,156,444,737.69 - Step 5: Solve for x
x = 3,793,156,444,737.69/2,252,691.09 - Step 6: Final answer
x = 1,683,833.38
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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.