Finding the Fourth Proportional to 1,609,917.70, 2,414,876.55 and 863,421.70
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Solution
The fourth proportional to 1,609,917.70, 2,414,876.55 and 863,421.70 is: 1,295,132.55
Step by Step Solution
- Step 1: Write the proportion equation
1,609,917.70 : 2,414,876.55 = 863,421.70 : x - Step 2: Convert to fraction form
1,609,917.70/2,414,876.55 = 863,421.70/x - Step 3: Cross multiply
1,609,917.70x = 2,414,876.55 × 863,421.70 - Step 4: Simplify right side
1,609,917.70x = 2,085,056,816,091.13 - Step 5: Solve for x
x = 2,085,056,816,091.13/1,609,917.70 - Step 6: Final answer
x = 1,295,132.55
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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.