Finding the Fourth Proportional to 2,428,552.13, 3,348,286.67 and 1,991,358.68
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Solution
The fourth proportional to 2,428,552.13, 3,348,286.67 and 1,991,358.68 is: 2,745,520.53
Step by Step Solution
- Step 1: Write the proportion equation
2,428,552.13 : 3,348,286.67 = 1,991,358.68 : x - Step 2: Convert to fraction form
2,428,552.13/3,348,286.67 = 1,991,358.68/x - Step 3: Cross multiply
2,428,552.13x = 3,348,286.67 × 1,991,358.68 - Step 4: Simplify right side
2,428,552.13x = 6,667,639,711,669.76 - Step 5: Solve for x
x = 6,667,639,711,669.76/2,428,552.13 - Step 6: Final answer
x = 2,745,520.53
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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.