Finding the Fourth Proportional to 5,251,190.76, 7,876,787.48 and 1,657,238.99
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Solution
The fourth proportional to 5,251,190.76, 7,876,787.48 and 1,657,238.99 is: 2,485,858.90
Step by Step Solution
- Step 1: Write the proportion equation
5,251,190.76 : 7,876,787.48 = 1,657,238.99 : x - Step 2: Convert to fraction form
5,251,190.76/7,876,787.48 = 1,657,238.99/x - Step 3: Cross multiply
5,251,190.76x = 7,876,787.48 × 1,657,238.99 - Step 4: Simplify right side
5,251,190.76x = 13,053,719,280,129.71 - Step 5: Solve for x
x = 13,053,719,280,129.71/5,251,190.76 - Step 6: Final answer
x = 2,485,858.90
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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.