Finding the Fourth Proportional to 1,491,843.80, 2,058,672.84 and 847,178.84
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Solution
The fourth proportional to 1,491,843.80, 2,058,672.84 and 847,178.84 is: 1,169,066.14
Step by Step Solution
- Step 1: Write the proportion equation
1,491,843.80 : 2,058,672.84 = 847,178.84 : x - Step 2: Convert to fraction form
1,491,843.80/2,058,672.84 = 847,178.84/x - Step 3: Cross multiply
1,491,843.80x = 2,058,672.84 × 847,178.84 - Step 4: Simplify right side
1,491,843.80x = 1,744,064,068,530.71 - Step 5: Solve for x
x = 1,744,064,068,530.71/1,491,843.80 - Step 6: Final answer
x = 1,169,066.14
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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.