Finding the Fourth Proportional to 3,416,989.34, 4,715,453.74 and 1,868,351.06
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Solution
The fourth proportional to 3,416,989.34, 4,715,453.74 and 1,868,351.06 is: 2,578,329.08
Step by Step Solution
- Step 1: Write the proportion equation
3,416,989.34 : 4,715,453.74 = 1,868,351.06 : x - Step 2: Convert to fraction form
3,416,989.34/4,715,453.74 = 1,868,351.06/x - Step 3: Cross multiply
3,416,989.34x = 4,715,453.74 × 1,868,351.06 - Step 4: Simplify right side
3,416,989.34x = 8,810,122,993,509.97 - Step 5: Solve for x
x = 8,810,122,993,509.97/3,416,989.34 - Step 6: Final answer
x = 2,578,329.08
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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.