Finding the Fourth Proportional to 3,699,816.81, 5,105,767.68 and 2,068,292.94
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Solution
The fourth proportional to 3,699,816.81, 5,105,767.68 and 2,068,292.94 is: 2,854,255.71
Step by Step Solution
- Step 1: Write the proportion equation
3,699,816.81 : 5,105,767.68 = 2,068,292.94 : x - Step 2: Convert to fraction form
3,699,816.81/5,105,767.68 = 2,068,292.94/x - Step 3: Cross multiply
3,699,816.81x = 5,105,767.68 × 2,068,292.94 - Step 4: Simplify right side
3,699,816.81x = 10,560,223,235,220.45 - Step 5: Solve for x
x = 10,560,223,235,220.45/3,699,816.81 - Step 6: Final answer
x = 2,854,255.71
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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.