Finding the Fourth Proportional to 2,218,611.48, 3,328,415.12 and 702,385.08
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Solution
The fourth proportional to 2,218,611.48, 3,328,415.12 and 702,385.08 is: 1,053,735.25
Step by Step Solution
- Step 1: Write the proportion equation
2,218,611.48 : 3,328,415.12 = 702,385.08 : x - Step 2: Convert to fraction form
2,218,611.48/3,328,415.12 = 702,385.08/x - Step 3: Cross multiply
2,218,611.48x = 3,328,415.12 × 702,385.08 - Step 4: Simplify right side
2,218,611.48x = 2,337,829,120,334.41 - Step 5: Solve for x
x = 2,337,829,120,334.41/2,218,611.48 - Step 6: Final answer
x = 1,053,735.25
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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.