Finding the Fourth Proportional to 3,896,151.12, 5,376,672.84 and 2,177,271.24
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Solution
The fourth proportional to 3,896,151.12, 5,376,672.84 and 2,177,271.24 is: 3,004,625.53
Step by Step Solution
- Step 1: Write the proportion equation
3,896,151.12 : 5,376,672.84 = 2,177,271.24 : x - Step 2: Convert to fraction form
3,896,151.12/5,376,672.84 = 2,177,271.24/x - Step 3: Cross multiply
3,896,151.12x = 5,376,672.84 × 2,177,271.24 - Step 4: Simplify right side
3,896,151.12x = 11,706,475,141,421.12 - Step 5: Solve for x
x = 11,706,475,141,421.12/3,896,151.12 - Step 6: Final answer
x = 3,004,625.53
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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.