Finding the Fourth Proportional to 5,558,685.12, 7,675,772.88 and 3,497,136.93
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Solution
The fourth proportional to 5,558,685.12, 7,675,772.88 and 3,497,136.93 is: 4,829,060.87
Step by Step Solution
- Step 1: Write the proportion equation
5,558,685.12 : 7,675,772.88 = 3,497,136.93 : x - Step 2: Convert to fraction form
5,558,685.12/7,675,772.88 = 3,497,136.93/x - Step 3: Cross multiply
5,558,685.12x = 7,675,772.88 × 3,497,136.93 - Step 4: Simplify right side
5,558,685.12x = 26,843,228,804,940.46 - Step 5: Solve for x
x = 26,843,228,804,940.46/5,558,685.12 - Step 6: Final answer
x = 4,829,060.87
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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.