Finding the Fourth Proportional to 3,269,790.12, 4,509,754.17 and 2,124,239.52
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Solution
The fourth proportional to 3,269,790.12, 4,509,754.17 and 2,124,239.52 is: 2,929,789.89
Step by Step Solution
- Step 1: Write the proportion equation
3,269,790.12 : 4,509,754.17 = 2,124,239.52 : x - Step 2: Convert to fraction form
3,269,790.12/4,509,754.17 = 2,124,239.52/x - Step 3: Cross multiply
3,269,790.12x = 4,509,754.17 × 2,124,239.52 - Step 4: Simplify right side
3,269,790.12x = 9,579,798,033,398.80 - Step 5: Solve for x
x = 9,579,798,033,398.80/3,269,790.12 - Step 6: Final answer
x = 2,929,789.89
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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.