Finding the Fourth Proportional to 2,072,141.91, 2,859,512.74 and 1,154,369.79
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Solution
The fourth proportional to 2,072,141.91, 2,859,512.74 and 1,154,369.79 is: 1,593,006.30
Step by Step Solution
- Step 1: Write the proportion equation
2,072,141.91 : 2,859,512.74 = 1,154,369.79 : x - Step 2: Convert to fraction form
2,072,141.91/2,859,512.74 = 1,154,369.79/x - Step 3: Cross multiply
2,072,141.91x = 2,859,512.74 × 1,154,369.79 - Step 4: Simplify right side
2,072,141.91x = 3,300,935,121,176.13 - Step 5: Solve for x
x = 3,300,935,121,176.13/2,072,141.91 - Step 6: Final answer
x = 1,593,006.30
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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.