Finding the Fourth Proportional to 1,609,905.70, 2,221,562.26 and 884,737.81
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Solution
The fourth proportional to 1,609,905.70, 2,221,562.26 and 884,737.81 is: 1,220,879.04
Step by Step Solution
- Step 1: Write the proportion equation
1,609,905.70 : 2,221,562.26 = 884,737.81 : x - Step 2: Convert to fraction form
1,609,905.70/2,221,562.26 = 884,737.81/x - Step 3: Cross multiply
1,609,905.70x = 2,221,562.26 × 884,737.81 - Step 4: Simplify right side
1,609,905.70x = 1,965,500,128,691.05 - Step 5: Solve for x
x = 1,965,500,128,691.05/1,609,905.70 - Step 6: Final answer
x = 1,220,879.04
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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.