Finding the Fourth Proportional to 2,930,436.30, 4,041,778.28 and 2,567,229.60
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Solution
The fourth proportional to 2,930,436.30, 4,041,778.28 and 2,567,229.60 is: 3,540,828.66
Step by Step Solution
- Step 1: Write the proportion equation
2,930,436.30 : 4,041,778.28 = 2,567,229.60 : x - Step 2: Convert to fraction form
2,930,436.30/4,041,778.28 = 2,567,229.60/x - Step 3: Cross multiply
2,930,436.30x = 4,041,778.28 × 2,567,229.60 - Step 4: Simplify right side
2,930,436.30x = 10,376,172,837,053.09 - Step 5: Solve for x
x = 10,376,172,837,053.09/2,930,436.30 - Step 6: Final answer
x = 3,540,828.66
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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.