Finding the Fourth Proportional to 4,904,934.40, 6,769,398.72 and 2,971,138.24
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Solution
The fourth proportional to 4,904,934.40, 6,769,398.72 and 2,971,138.24 is: 4,100,527.71
Step by Step Solution
- Step 1: Write the proportion equation
4,904,934.40 : 6,769,398.72 = 2,971,138.24 : x - Step 2: Convert to fraction form
4,904,934.40/6,769,398.72 = 2,971,138.24/x - Step 3: Cross multiply
4,904,934.40x = 6,769,398.72 × 2,971,138.24 - Step 4: Simplify right side
4,904,934.40x = 20,112,819,398,799.05 - Step 5: Solve for x
x = 20,112,819,398,799.05/4,904,934.40 - Step 6: Final answer
x = 4,100,527.71
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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.