Finding the Fourth Proportional to 2,700,419.88, 4,052,623.64 and 1,280,480.97
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Solution
The fourth proportional to 2,700,419.88, 4,052,623.64 and 1,280,480.97 is: 1,921,666.88
Step by Step Solution
- Step 1: Write the proportion equation
2,700,419.88 : 4,052,623.64 = 1,280,480.97 : x - Step 2: Convert to fraction form
2,700,419.88/4,052,623.64 = 1,280,480.97/x - Step 3: Cross multiply
2,700,419.88x = 4,052,623.64 × 1,280,480.97 - Step 4: Simplify right side
2,700,419.88x = 5,189,307,449,592.13 - Step 5: Solve for x
x = 5,189,307,449,592.13/2,700,419.88 - Step 6: Final answer
x = 1,921,666.88
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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.