Finding the Fourth Proportional to 4,856,943.52, 6,703,369.68 and 2,820,934.08
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Solution
The fourth proportional to 4,856,943.52, 6,703,369.68 and 2,820,934.08 is: 3,893,346.48
Step by Step Solution
- Step 1: Write the proportion equation
4,856,943.52 : 6,703,369.68 = 2,820,934.08 : x - Step 2: Convert to fraction form
4,856,943.52/6,703,369.68 = 2,820,934.08/x - Step 3: Cross multiply
4,856,943.52x = 6,703,369.68 × 2,820,934.08 - Step 4: Simplify right side
4,856,943.52x = 18,909,763,981,150.70 - Step 5: Solve for x
x = 18,909,763,981,150.70/4,856,943.52 - Step 6: Final answer
x = 3,893,346.48
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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.