Finding the Fourth Proportional to 1,346,270.10, 2,016,947.55 and 820,343.70
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Solution
The fourth proportional to 1,346,270.10, 2,016,947.55 and 820,343.70 is: 1,229,018.02
Step by Step Solution
- Step 1: Write the proportion equation
1,346,270.10 : 2,016,947.55 = 820,343.70 : x - Step 2: Convert to fraction form
1,346,270.10/2,016,947.55 = 820,343.70/x - Step 3: Cross multiply
1,346,270.10x = 2,016,947.55 × 820,343.70 - Step 4: Simplify right side
1,346,270.10x = 1,654,590,215,872.94 - Step 5: Solve for x
x = 1,654,590,215,872.94/1,346,270.10 - Step 6: Final answer
x = 1,229,018.02
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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.