Finding the Fourth Proportional to 2,613,283.18, 3,597,988.70 and 2,229,770.86
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Solution
The fourth proportional to 2,613,283.18, 3,597,988.70 and 2,229,770.86 is: 3,069,965.94
Step by Step Solution
- Step 1: Write the proportion equation
2,613,283.18 : 3,597,988.70 = 2,229,770.86 : x - Step 2: Convert to fraction form
2,613,283.18/3,597,988.70 = 2,229,770.86/x - Step 3: Cross multiply
2,613,283.18x = 3,597,988.70 × 2,229,770.86 - Step 4: Simplify right side
2,613,283.18x = 8,022,690,357,869.28 - Step 5: Solve for x
x = 8,022,690,357,869.28/2,613,283.18 - Step 6: Final answer
x = 3,069,965.94
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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.