Finding the Fourth Proportional to 4,853,983.96, 6,699,830.04 and 2,817,449.56
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Solution
The fourth proportional to 4,853,983.96, 6,699,830.04 and 2,817,449.56 is: 3,888,853.64
Step by Step Solution
- Step 1: Write the proportion equation
4,853,983.96 : 6,699,830.04 = 2,817,449.56 : x - Step 2: Convert to fraction form
4,853,983.96/6,699,830.04 = 2,817,449.56/x - Step 3: Cross multiply
4,853,983.96x = 6,699,830.04 × 2,817,449.56 - Step 4: Simplify right side
4,853,983.96x = 18,876,433,198,272.78 - Step 5: Solve for x
x = 18,876,433,198,272.78/4,853,983.96 - Step 6: Final answer
x = 3,888,853.64
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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.