Finding the Fourth Proportional to 3,727,225.68, 5,144,484.81 and 2,278,135.88
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Solution
The fourth proportional to 3,727,225.68, 5,144,484.81 and 2,278,135.88 is: 3,144,385.78
Step by Step Solution
- Step 1: Write the proportion equation
3,727,225.68 : 5,144,484.81 = 2,278,135.88 : x - Step 2: Convert to fraction form
3,727,225.68/5,144,484.81 = 2,278,135.88/x - Step 3: Cross multiply
3,727,225.68x = 5,144,484.81 × 2,278,135.88 - Step 4: Simplify right side
3,727,225.68x = 11,719,835,448,011.60 - Step 5: Solve for x
x = 11,719,835,448,011.60/3,727,225.68 - Step 6: Final answer
x = 3,144,385.78
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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.