Finding the Fourth Proportional to 4,123,357.74, 5,690,545.38 and 2,288,163.42
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Solution
The fourth proportional to 4,123,357.74, 5,690,545.38 and 2,288,163.42 is: 3,157,838.49
Step by Step Solution
- Step 1: Write the proportion equation
4,123,357.74 : 5,690,545.38 = 2,288,163.42 : x - Step 2: Convert to fraction form
4,123,357.74/5,690,545.38 = 2,288,163.42/x - Step 3: Cross multiply
4,123,357.74x = 5,690,545.38 × 2,288,163.42 - Step 4: Simplify right side
4,123,357.74x = 13,020,897,778,366.00 - Step 5: Solve for x
x = 13,020,897,778,366.00/4,123,357.74 - Step 6: Final answer
x = 3,157,838.49
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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.