Finding the Fourth Proportional to 2,292,369.80, 3,438,554.70 and 1,229,487.80
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Solution
The fourth proportional to 2,292,369.80, 3,438,554.70 and 1,229,487.80 is: 1,844,231.70
Step by Step Solution
- Step 1: Write the proportion equation
2,292,369.80 : 3,438,554.70 = 1,229,487.80 : x - Step 2: Convert to fraction form
2,292,369.80/3,438,554.70 = 1,229,487.80/x - Step 3: Cross multiply
2,292,369.80x = 3,438,554.70 × 1,229,487.80 - Step 4: Simplify right side
2,292,369.80x = 4,227,661,053,282.66 - Step 5: Solve for x
x = 4,227,661,053,282.66/2,292,369.80 - Step 6: Final answer
x = 1,844,231.70
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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.