Finding the Fourth Proportional to 2,076,759.64, 3,115,468.86 and 878,690.92
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Solution
The fourth proportional to 2,076,759.64, 3,115,468.86 and 878,690.92 is: 1,318,175.75
Step by Step Solution
- Step 1: Write the proportion equation
2,076,759.64 : 3,115,468.86 = 878,690.92 : x - Step 2: Convert to fraction form
2,076,759.64/3,115,468.86 = 878,690.92/x - Step 3: Cross multiply
2,076,759.64x = 3,115,468.86 × 878,690.92 - Step 4: Simplify right side
2,076,759.64x = 2,737,534,198,824.75 - Step 5: Solve for x
x = 2,737,534,198,824.75/2,076,759.64 - Step 6: Final answer
x = 1,318,175.75
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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.