Finding the Fourth Proportional to 4,838,843.60, 7,258,265.40 and 1,647,573.20
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Solution
The fourth proportional to 4,838,843.60, 7,258,265.40 and 1,647,573.20 is: 2,471,359.80
Step by Step Solution
- Step 1: Write the proportion equation
4,838,843.60 : 7,258,265.40 = 1,647,573.20 : x - Step 2: Convert to fraction form
4,838,843.60/7,258,265.40 = 1,647,573.20/x - Step 3: Cross multiply
4,838,843.60x = 7,258,265.40 × 1,647,573.20 - Step 4: Simplify right side
4,838,843.60x = 11,958,523,551,527.28 - Step 5: Solve for x
x = 11,958,523,551,527.28/4,838,843.60 - Step 6: Final answer
x = 2,471,359.80
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.