Finding the Fourth Proportional to 1,540,626.72, 2,125,682.90 and 996,107.29
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Solution
The fourth proportional to 1,540,626.72, 2,125,682.90 and 996,107.29 is: 1,374,381.09
Step by Step Solution
- Step 1: Write the proportion equation
1,540,626.72 : 2,125,682.90 = 996,107.29 : x - Step 2: Convert to fraction form
1,540,626.72/2,125,682.90 = 996,107.29/x - Step 3: Cross multiply
1,540,626.72x = 2,125,682.90 × 996,107.29 - Step 4: Simplify right side
1,540,626.72x = 2,117,408,238,315.97 - Step 5: Solve for x
x = 2,117,408,238,315.97/1,540,626.72 - Step 6: Final answer
x = 1,374,381.09
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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.