Finding the Fourth Proportional to 3,858,946.20, 5,786,947.95 and 1,299,473.97
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Solution
The fourth proportional to 3,858,946.20, 5,786,947.95 and 1,299,473.97 is: 1,948,715.49
Step by Step Solution
- Step 1: Write the proportion equation
3,858,946.20 : 5,786,947.95 = 1,299,473.97 : x - Step 2: Convert to fraction form
3,858,946.20/5,786,947.95 = 1,299,473.97/x - Step 3: Cross multiply
3,858,946.20x = 5,786,947.95 × 1,299,473.97 - Step 4: Simplify right side
3,858,946.20x = 7,519,988,226,769.86 - Step 5: Solve for x
x = 7,519,988,226,769.86/3,858,946.20 - Step 6: Final answer
x = 1,948,715.49
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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.