Finding the Fourth Proportional to 4,136,571.80, 6,205,440.90 and 1,296,387.80
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Solution
The fourth proportional to 4,136,571.80, 6,205,440.90 and 1,296,387.80 is: 1,944,764.47
Step by Step Solution
- Step 1: Write the proportion equation
4,136,571.80 : 6,205,440.90 = 1,296,387.80 : x - Step 2: Convert to fraction form
4,136,571.80/6,205,440.90 = 1,296,387.80/x - Step 3: Cross multiply
4,136,571.80x = 6,205,440.90 × 1,296,387.80 - Step 4: Simplify right side
4,136,571.80x = 8,044,657,876,381.02 - Step 5: Solve for x
x = 8,044,657,876,381.02/4,136,571.80 - Step 6: Final answer
x = 1,944,764.47
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.