Finding the Fourth Proportional to 4,136,424.80, 6,205,220.40 and 1,296,240.80
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Solution
The fourth proportional to 4,136,424.80, 6,205,220.40 and 1,296,240.80 is: 1,944,543.96
Step by Step Solution
- Step 1: Write the proportion equation
4,136,424.80 : 6,205,220.40 = 1,296,240.80 : x - Step 2: Convert to fraction form
4,136,424.80/6,205,220.40 = 1,296,240.80/x - Step 3: Cross multiply
4,136,424.80x = 6,205,220.40 × 1,296,240.80 - Step 4: Simplify right side
4,136,424.80x = 8,043,459,855,472.32 - Step 5: Solve for x
x = 8,043,459,855,472.32/4,136,424.80 - Step 6: Final answer
x = 1,944,543.96
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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.