Finding the Fourth Proportional to 2,136,067.26, 2,947,277.34 and 1,264,462.98
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Solution
The fourth proportional to 2,136,067.26, 2,947,277.34 and 1,264,462.98 is: 1,744,665.61
Step by Step Solution
- Step 1: Write the proportion equation
2,136,067.26 : 2,947,277.34 = 1,264,462.98 : x - Step 2: Convert to fraction form
2,136,067.26/2,947,277.34 = 1,264,462.98/x - Step 3: Cross multiply
2,136,067.26x = 2,947,277.34 × 1,264,462.98 - Step 4: Simplify right side
2,136,067.26x = 3,726,723,088,222.87 - Step 5: Solve for x
x = 3,726,723,088,222.87/2,136,067.26 - Step 6: Final answer
x = 1,744,665.61
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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.