Finding the Fourth Proportional to 4,143,843.23, 6,215,721.08 and 1,619,476.61
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Solution
The fourth proportional to 4,143,843.23, 6,215,721.08 and 1,619,476.61 is: 2,429,197.80
Step by Step Solution
- Step 1: Write the proportion equation
4,143,843.23 : 6,215,721.08 = 1,619,476.61 : x - Step 2: Convert to fraction form
4,143,843.23/6,215,721.08 = 1,619,476.61/x - Step 3: Cross multiply
4,143,843.23x = 6,215,721.08 × 1,619,476.61 - Step 4: Simplify right side
4,143,843.23x = 10,066,214,864,167.95 - Step 5: Solve for x
x = 10,066,214,864,167.95/4,143,843.23 - Step 6: Final answer
x = 2,429,197.80
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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.