Finding the Fourth Proportional to 6,220,142.47, 8,583,838.78 and 3,467,006.99
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Solution
The fourth proportional to 6,220,142.47, 8,583,838.78 and 3,467,006.99 is: 4,784,493.15
Step by Step Solution
- Step 1: Write the proportion equation
6,220,142.47 : 8,583,838.78 = 3,467,006.99 : x - Step 2: Convert to fraction form
6,220,142.47/8,583,838.78 = 3,467,006.99/x - Step 3: Cross multiply
6,220,142.47x = 8,583,838.78 × 3,467,006.99 - Step 4: Simplify right side
6,220,142.47x = 29,760,229,051,293.07 - Step 5: Solve for x
x = 29,760,229,051,293.07/6,220,142.47 - Step 6: Final answer
x = 4,784,493.15
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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.