Finding the Fourth Proportional to 4,252,448.76, 6,382,872.18 and 1,857,946.20
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Solution
The fourth proportional to 4,252,448.76, 6,382,872.18 and 1,857,946.20 is: 2,788,753.91
Step by Step Solution
- Step 1: Write the proportion equation
4,252,448.76 : 6,382,872.18 = 1,857,946.20 : x - Step 2: Convert to fraction form
4,252,448.76/6,382,872.18 = 1,857,946.20/x - Step 3: Cross multiply
4,252,448.76x = 6,382,872.18 × 1,857,946.20 - Step 4: Simplify right side
4,252,448.76x = 11,859,033,111,916.71 - Step 5: Solve for x
x = 11,859,033,111,916.71/4,252,448.76 - Step 6: Final answer
x = 2,788,753.91
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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.