Finding the Fourth Proportional to 1,520,883.21, 2,098,755.53 and 832,537.97
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Solution
The fourth proportional to 1,520,883.21, 2,098,755.53 and 832,537.97 is: 1,148,867.75
Step by Step Solution
- Step 1: Write the proportion equation
1,520,883.21 : 2,098,755.53 = 832,537.97 : x - Step 2: Convert to fraction form
1,520,883.21/2,098,755.53 = 832,537.97/x - Step 3: Cross multiply
1,520,883.21x = 2,098,755.53 × 832,537.97 - Step 4: Simplify right side
1,520,883.21x = 1,747,293,675,800.71 - Step 5: Solve for x
x = 1,747,293,675,800.71/1,520,883.21 - Step 6: Final answer
x = 1,148,867.75
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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.