Finding the Fourth Proportional to 3,006,349.98, 4,148,768.52 and 1,629,689.44
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Solution
The fourth proportional to 3,006,349.98, 4,148,768.52 and 1,629,689.44 is: 2,248,974.43
Step by Step Solution
- Step 1: Write the proportion equation
3,006,349.98 : 4,148,768.52 = 1,629,689.44 : x - Step 2: Convert to fraction form
3,006,349.98/4,148,768.52 = 1,629,689.44/x - Step 3: Cross multiply
3,006,349.98x = 4,148,768.52 × 1,629,689.44 - Step 4: Simplify right side
3,006,349.98x = 6,761,204,246,048.43 - Step 5: Solve for x
x = 6,761,204,246,048.43/3,006,349.98 - Step 6: Final answer
x = 2,248,974.43
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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.