Finding the Fourth Proportional to 4,273,721.10, 6,405,138.45 and 1,746,521.10
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Solution
The fourth proportional to 4,273,721.10, 6,405,138.45 and 1,746,521.10 is: 2,617,557.20
Step by Step Solution
- Step 1: Write the proportion equation
4,273,721.10 : 6,405,138.45 = 1,746,521.10 : x - Step 2: Convert to fraction form
4,273,721.10/6,405,138.45 = 1,746,521.10/x - Step 3: Cross multiply
4,273,721.10x = 6,405,138.45 × 1,746,521.10 - Step 4: Simplify right side
4,273,721.10x = 11,186,709,451,346.30 - Step 5: Solve for x
x = 11,186,709,451,346.30/4,273,721.10 - Step 6: Final answer
x = 2,617,557.20
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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.