Finding the Fourth Proportional to 3,378,285.68, 5,067,427.21 and 1,356,528.92
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Solution
The fourth proportional to 3,378,285.68, 5,067,427.21 and 1,356,528.92 is: 2,034,792.85
Step by Step Solution
- Step 1: Write the proportion equation
3,378,285.68 : 5,067,427.21 = 1,356,528.92 : x - Step 2: Convert to fraction form
3,378,285.68/5,067,427.21 = 1,356,528.92/x - Step 3: Cross multiply
3,378,285.68x = 5,067,427.21 × 1,356,528.92 - Step 4: Simplify right side
3,378,285.68x = 6,874,111,560,359.91 - Step 5: Solve for x
x = 6,874,111,560,359.91/3,378,285.68 - Step 6: Final answer
x = 2,034,792.85
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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.