Finding the Fourth Proportional to 4,101,891.74, 5,660,724.72 and 2,266,468.28
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Solution
The fourth proportional to 4,101,891.74, 5,660,724.72 and 2,266,468.28 is: 3,127,789.28
Step by Step Solution
- Step 1: Write the proportion equation
4,101,891.74 : 5,660,724.72 = 2,266,468.28 : x - Step 2: Convert to fraction form
4,101,891.74/5,660,724.72 = 2,266,468.28/x - Step 3: Cross multiply
4,101,891.74x = 5,660,724.72 × 2,266,468.28 - Step 4: Simplify right side
4,101,891.74x = 12,829,853,019,691.88 - Step 5: Solve for x
x = 12,829,853,019,691.88/4,101,891.74 - Step 6: Final answer
x = 3,127,789.28
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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.