Finding the Fourth Proportional to 1,491,981.45, 2,058,906.49 and 829,733.91
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Solution
The fourth proportional to 1,491,981.45, 2,058,906.49 and 829,733.91 is: 1,145,017.27
Step by Step Solution
- Step 1: Write the proportion equation
1,491,981.45 : 2,058,906.49 = 829,733.91 : x - Step 2: Convert to fraction form
1,491,981.45/2,058,906.49 = 829,733.91/x - Step 3: Cross multiply
1,491,981.45x = 2,058,906.49 × 829,733.91 - Step 4: Simplify right side
1,491,981.45x = 1,708,344,532,272.08 - Step 5: Solve for x
x = 1,708,344,532,272.08/1,491,981.45 - Step 6: Final answer
x = 1,145,017.27
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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.