Finding the Fourth Proportional to 4,218,892.68, 5,822,073.54 and 2,285,147.28
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Solution
The fourth proportional to 4,218,892.68, 5,822,073.54 and 2,285,147.28 is: 3,153,504.14
Step by Step Solution
- Step 1: Write the proportion equation
4,218,892.68 : 5,822,073.54 = 2,285,147.28 : x - Step 2: Convert to fraction form
4,218,892.68/5,822,073.54 = 2,285,147.28/x - Step 3: Cross multiply
4,218,892.68x = 5,822,073.54 × 2,285,147.28 - Step 4: Simplify right side
4,218,892.68x = 13,304,295,513,890.97 - Step 5: Solve for x
x = 13,304,295,513,890.97/4,218,892.68 - Step 6: Final answer
x = 3,153,504.14
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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.