Finding the Fourth Proportional to 4,227,841.78, 6,340,630.79 and 1,194,494.65
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Solution
The fourth proportional to 4,227,841.78, 6,340,630.79 and 1,194,494.65 is: 1,791,422.18
Step by Step Solution
- Step 1: Write the proportion equation
4,227,841.78 : 6,340,630.79 = 1,194,494.65 : x - Step 2: Convert to fraction form
4,227,841.78/6,340,630.79 = 1,194,494.65/x - Step 3: Cross multiply
4,227,841.78x = 6,340,630.79 × 1,194,494.65 - Step 4: Simplify right side
4,227,841.78x = 7,573,849,543,414.93 - Step 5: Solve for x
x = 7,573,849,543,414.93/4,227,841.78 - Step 6: Final answer
x = 1,791,422.18
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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.