Finding the Fourth Proportional to 1,825,231.88, 2,516,185.14 and 1,251,363.08
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Solution
The fourth proportional to 1,825,231.88, 2,516,185.14 and 1,251,363.08 is: 1,725,074.62
Step by Step Solution
- Step 1: Write the proportion equation
1,825,231.88 : 2,516,185.14 = 1,251,363.08 : x - Step 2: Convert to fraction form
1,825,231.88/2,516,185.14 = 1,251,363.08/x - Step 3: Cross multiply
1,825,231.88x = 2,516,185.14 × 1,251,363.08 - Step 4: Simplify right side
1,825,231.88x = 3,148,661,186,640.63 - Step 5: Solve for x
x = 3,148,661,186,640.63/1,825,231.88 - Step 6: Final answer
x = 1,725,074.62
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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.