Finding the Fourth Proportional to 3,745,981.90, 5,169,468.66 and 2,027,102.26
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Solution
The fourth proportional to 3,745,981.90, 5,169,468.66 and 2,027,102.26 is: 2,797,408.50
Step by Step Solution
- Step 1: Write the proportion equation
3,745,981.90 : 5,169,468.66 = 2,027,102.26 : x - Step 2: Convert to fraction form
3,745,981.90/5,169,468.66 = 2,027,102.26/x - Step 3: Cross multiply
3,745,981.90x = 5,169,468.66 × 2,027,102.26 - Step 4: Simplify right side
3,745,981.90x = 10,479,041,603,685.17 - Step 5: Solve for x
x = 10,479,041,603,685.17/3,745,981.90 - Step 6: Final answer
x = 2,797,408.50
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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.