Finding the Fourth Proportional to 4,218,890.40, 5,822,070.40 and 2,285,145
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Solution
The fourth proportional to 4,218,890.40, 5,822,070.40 and 2,285,145 is: 3,153,500.99
Step by Step Solution
- Step 1: Write the proportion equation
4,218,890.40 : 5,822,070.40 = 2,285,145 : x - Step 2: Convert to fraction form
4,218,890.40/5,822,070.40 = 2,285,145/x - Step 3: Cross multiply
4,218,890.40x = 5,822,070.40 × 2,285,145 - Step 4: Simplify right side
4,218,890.40x = 13,304,275,064,208 - Step 5: Solve for x
x = 13,304,275,064,208/4,218,890.40 - Step 6: Final answer
x = 3,153,500.99
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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.