Finding the Fourth Proportional to 3,896,165.33, 5,376,715.44 and 2,177,285.84
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Solution
The fourth proportional to 3,896,165.33, 5,376,715.44 and 2,177,285.84 is: 3,004,658.53
Step by Step Solution
- Step 1: Write the proportion equation
3,896,165.33 : 5,376,715.44 = 2,177,285.84 : x - Step 2: Convert to fraction form
3,896,165.33/5,376,715.44 = 2,177,285.84/x - Step 3: Cross multiply
3,896,165.33x = 5,376,715.44 × 2,177,285.84 - Step 4: Simplify right side
3,896,165.33x = 11,706,646,366,337.79 - Step 5: Solve for x
x = 11,706,646,366,337.79/3,896,165.33 - Step 6: Final answer
x = 3,004,658.53
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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.