Finding the Fourth Proportional to 1,609,828.76, 2,221,456.29 and 884,660.87
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Solution
The fourth proportional to 1,609,828.76, 2,221,456.29 and 884,660.87 is: 1,220,772.98
Step by Step Solution
- Step 1: Write the proportion equation
1,609,828.76 : 2,221,456.29 = 884,660.87 : x - Step 2: Convert to fraction form
1,609,828.76/2,221,456.29 = 884,660.87/x - Step 3: Cross multiply
1,609,828.76x = 2,221,456.29 × 884,660.87 - Step 4: Simplify right side
1,609,828.76x = 1,965,235,456,414.53 - Step 5: Solve for x
x = 1,965,235,456,414.53/1,609,828.76 - Step 6: Final answer
x = 1,220,772.98
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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.