Finding the Fourth Proportional to 3,805,716.55, 5,246,808.19 and 3,023,378.28
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Solution
The fourth proportional to 3,805,716.55, 5,246,808.19 and 3,023,378.28 is: 4,168,225.80
Step by Step Solution
- Step 1: Write the proportion equation
3,805,716.55 : 5,246,808.19 = 3,023,378.28 : x - Step 2: Convert to fraction form
3,805,716.55/5,246,808.19 = 3,023,378.28/x - Step 3: Cross multiply
3,805,716.55x = 5,246,808.19 × 3,023,378.28 - Step 4: Simplify right side
3,805,716.55x = 15,863,085,920,972.11 - Step 5: Solve for x
x = 15,863,085,920,972.11/3,805,716.55 - Step 6: Final answer
x = 4,168,225.80
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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.