Finding the Fourth Proportional to 5,609,713.20, 8,415,007.20 and 2,414,943.60
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Solution
The fourth proportional to 5,609,713.20, 8,415,007.20 and 2,414,943.60 is: 3,622,603.70
Step by Step Solution
- Step 1: Write the proportion equation
5,609,713.20 : 8,415,007.20 = 2,414,943.60 : x - Step 2: Convert to fraction form
5,609,713.20/8,415,007.20 = 2,414,943.60/x - Step 3: Cross multiply
5,609,713.20x = 8,415,007.20 × 2,414,943.60 - Step 4: Simplify right side
5,609,713.20x = 20,321,767,781,593.92 - Step 5: Solve for x
x = 20,321,767,781,593.92/5,609,713.20 - Step 6: Final answer
x = 3,622,603.70
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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.