Finding the Fourth Proportional to 5,391,908.70, 8,085,614.46 and 2,194,864.62
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Solution
The fourth proportional to 5,391,908.70, 8,085,614.46 and 2,194,864.62 is: 3,291,381.60
Step by Step Solution
- Step 1: Write the proportion equation
5,391,908.70 : 8,085,614.46 = 2,194,864.62 : x - Step 2: Convert to fraction form
5,391,908.70/8,085,614.46 = 2,194,864.62/x - Step 3: Cross multiply
5,391,908.70x = 8,085,614.46 × 2,194,864.62 - Step 4: Simplify right side
5,391,908.70x = 17,746,829,109,214.41 - Step 5: Solve for x
x = 17,746,829,109,214.41/5,391,908.70 - Step 6: Final answer
x = 3,291,381.60
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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.