Finding the Fourth Proportional to 3,509,110.40, 5,257,963.20 and 3,173,187.20
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Solution
The fourth proportional to 3,509,110.40, 5,257,963.20 and 3,173,187.20 is: 4,754,624.28
Step by Step Solution
- Step 1: Write the proportion equation
3,509,110.40 : 5,257,963.20 = 3,173,187.20 : x - Step 2: Convert to fraction form
3,509,110.40/5,257,963.20 = 3,173,187.20/x - Step 3: Cross multiply
3,509,110.40x = 5,257,963.20 × 3,173,187.20 - Step 4: Simplify right side
3,509,110.40x = 16,684,501,524,311.04 - Step 5: Solve for x
x = 16,684,501,524,311.04/3,509,110.40 - Step 6: Final answer
x = 4,754,624.28
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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.