Finding the Fourth Proportional to 3,378,835.27, 4,662,797.30 and 1,868,368.68
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Solution
The fourth proportional to 3,378,835.27, 4,662,797.30 and 1,868,368.68 is: 2,578,351.34
Step by Step Solution
- Step 1: Write the proportion equation
3,378,835.27 : 4,662,797.30 = 1,868,368.68 : x - Step 2: Convert to fraction form
3,378,835.27/4,662,797.30 = 1,868,368.68/x - Step 3: Cross multiply
3,378,835.27x = 4,662,797.30 × 1,868,368.68 - Step 4: Simplify right side
3,378,835.27x = 8,711,824,434,173.10 - Step 5: Solve for x
x = 8,711,824,434,173.10/3,378,835.27 - Step 6: Final answer
x = 2,578,351.34
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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.