Finding the Fourth Proportional to 4,288,347.73, 5,915,686.12 and 3,473,471.53
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Solution
The fourth proportional to 4,288,347.73, 5,915,686.12 and 3,473,471.53 is: 4,791,581.42
Step by Step Solution
- Step 1: Write the proportion equation
4,288,347.73 : 5,915,686.12 = 3,473,471.53 : x - Step 2: Convert to fraction form
4,288,347.73/5,915,686.12 = 3,473,471.53/x - Step 3: Cross multiply
4,288,347.73x = 5,915,686.12 × 3,473,471.53 - Step 4: Simplify right side
4,288,347.73x = 20,547,967,318,236.16 - Step 5: Solve for x
x = 20,547,967,318,236.16/4,288,347.73 - Step 6: Final answer
x = 4,791,581.42
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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.