Finding the Fourth Proportional to 2,168,996.70, 3,253,495.05 and 1,609,124.70
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Solution
The fourth proportional to 2,168,996.70, 3,253,495.05 and 1,609,124.70 is: 2,413,687.05
Step by Step Solution
- Step 1: Write the proportion equation
2,168,996.70 : 3,253,495.05 = 1,609,124.70 : x - Step 2: Convert to fraction form
2,168,996.70/3,253,495.05 = 1,609,124.70/x - Step 3: Cross multiply
2,168,996.70x = 3,253,495.05 × 1,609,124.70 - Step 4: Simplify right side
2,168,996.70x = 5,235,279,246,282.73 - Step 5: Solve for x
x = 5,235,279,246,282.73/2,168,996.70 - Step 6: Final answer
x = 2,413,687.05
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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.