Finding the Fourth Proportional to 3,156,720.11, 4,355,948.67 and 2,330,233.37
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Solution
The fourth proportional to 3,156,720.11, 4,355,948.67 and 2,330,233.37 is: 3,215,482.08
Step by Step Solution
- Step 1: Write the proportion equation
3,156,720.11 : 4,355,948.67 = 2,330,233.37 : x - Step 2: Convert to fraction form
3,156,720.11/4,355,948.67 = 2,330,233.37/x - Step 3: Cross multiply
3,156,720.11x = 4,355,948.67 × 2,330,233.37 - Step 4: Simplify right side
3,156,720.11x = 10,150,376,943,396.18 - Step 5: Solve for x
x = 10,150,376,943,396.18/3,156,720.11 - Step 6: Final answer
x = 3,215,482.08
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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.