Finding the Fourth Proportional to 4,877,338.70, 7,313,716.80 and 2,828,581.46
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Solution
The fourth proportional to 4,877,338.70, 7,313,716.80 and 2,828,581.46 is: 4,241,543.39
Step by Step Solution
- Step 1: Write the proportion equation
4,877,338.70 : 7,313,716.80 = 2,828,581.46 : x - Step 2: Convert to fraction form
4,877,338.70/7,313,716.80 = 2,828,581.46/x - Step 3: Cross multiply
4,877,338.70x = 7,313,716.80 × 2,828,581.46 - Step 4: Simplify right side
4,877,338.70x = 20,687,443,693,459.04 - Step 5: Solve for x
x = 20,687,443,693,459.04/4,877,338.70 - Step 6: Final answer
x = 4,241,543.39
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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.