Finding the Fourth Proportional to 5,315,824.26, 7,974,518.85 and 1,720,396.26
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Solution
The fourth proportional to 5,315,824.26, 7,974,518.85 and 1,720,396.26 is: 2,580,847.62
Step by Step Solution
- Step 1: Write the proportion equation
5,315,824.26 : 7,974,518.85 = 1,720,396.26 : x - Step 2: Convert to fraction form
5,315,824.26/7,974,518.85 = 1,720,396.26/x - Step 3: Cross multiply
5,315,824.26x = 7,974,518.85 × 1,720,396.26 - Step 4: Simplify right side
5,315,824.26x = 13,719,332,404,839.50 - Step 5: Solve for x
x = 13,719,332,404,839.50/5,315,824.26 - Step 6: Final answer
x = 2,580,847.62
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.