Finding the Fourth Proportional to 5,678,644.14, 8,517,984.45 and 1,418,812.83
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Solution
The fourth proportional to 5,678,644.14, 8,517,984.45 and 1,418,812.83 is: 2,128,223.80
Step by Step Solution
- Step 1: Write the proportion equation
5,678,644.14 : 8,517,984.45 = 1,418,812.83 : x - Step 2: Convert to fraction form
5,678,644.14/8,517,984.45 = 1,418,812.83/x - Step 3: Cross multiply
5,678,644.14x = 8,517,984.45 × 1,418,812.83 - Step 4: Simplify right side
5,678,644.14x = 12,085,425,623,400.49 - Step 5: Solve for x
x = 12,085,425,623,400.49/5,678,644.14 - Step 6: Final answer
x = 2,128,223.80
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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.