Finding the Fourth Proportional to 2,947,299.97, 4,421,609.32 and 898,120.91
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Solution
The fourth proportional to 2,947,299.97, 4,421,609.32 and 898,120.91 is: 1,347,382.28
Step by Step Solution
- Step 1: Write the proportion equation
2,947,299.97 : 4,421,609.32 = 898,120.91 : x - Step 2: Convert to fraction form
2,947,299.97/4,421,609.32 = 898,120.91/x - Step 3: Cross multiply
2,947,299.97x = 4,421,609.32 × 898,120.91 - Step 4: Simplify right side
2,947,299.97x = 3,971,139,761,789.53 - Step 5: Solve for x
x = 3,971,139,761,789.53/2,947,299.97 - Step 6: Final answer
x = 1,347,382.28
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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.