Finding the Fourth Proportional to 4,769,465.38, 7,121,892.04 and 3,785,793.66
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Solution
The fourth proportional to 4,769,465.38, 7,121,892.04 and 3,785,793.66 is: 5,653,047.37
Step by Step Solution
- Step 1: Write the proportion equation
4,769,465.38 : 7,121,892.04 = 3,785,793.66 : x - Step 2: Convert to fraction form
4,769,465.38/7,121,892.04 = 3,785,793.66/x - Step 3: Cross multiply
4,769,465.38x = 7,121,892.04 × 3,785,793.66 - Step 4: Simplify right side
4,769,465.38x = 26,962,013,722,771.98 - Step 5: Solve for x
x = 26,962,013,722,771.98/4,769,465.38 - Step 6: Final answer
x = 5,653,047.37
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.