Finding the Fourth Proportional to 3,191,410.75, 4,403,545.41 and 1,902,371.08
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Solution
The fourth proportional to 3,191,410.75, 4,403,545.41 and 1,902,371.08 is: 2,624,913.59
Step by Step Solution
- Step 1: Write the proportion equation
3,191,410.75 : 4,403,545.41 = 1,902,371.08 : x - Step 2: Convert to fraction form
3,191,410.75/4,403,545.41 = 1,902,371.08/x - Step 3: Cross multiply
3,191,410.75x = 4,403,545.41 × 1,902,371.08 - Step 4: Simplify right side
3,191,410.75x = 8,377,177,437,450.74 - Step 5: Solve for x
x = 8,377,177,437,450.74/3,191,410.75 - Step 6: Final answer
x = 2,624,913.59
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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.