Finding the Fourth Proportional to 5,265,153.02, 7,897,728.99 and 1,276,065.02
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Solution
The fourth proportional to 5,265,153.02, 7,897,728.99 and 1,276,065.02 is: 1,914,097.40
Step by Step Solution
- Step 1: Write the proportion equation
5,265,153.02 : 7,897,728.99 = 1,276,065.02 : x - Step 2: Convert to fraction form
5,265,153.02/7,897,728.99 = 1,276,065.02/x - Step 3: Cross multiply
5,265,153.02x = 7,897,728.99 × 1,276,065.02 - Step 4: Simplify right side
5,265,153.02x = 10,078,015,701,578.93 - Step 5: Solve for x
x = 10,078,015,701,578.93/5,265,153.02 - Step 6: Final answer
x = 1,914,097.40
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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.