Finding the Fourth Proportional to 5,151,080.99, 7,108,135.97 and 2,859,061.25
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Solution
The fourth proportional to 5,151,080.99, 7,108,135.97 and 2,859,061.25 is: 3,945,307.04
Step by Step Solution
- Step 1: Write the proportion equation
5,151,080.99 : 7,108,135.97 = 2,859,061.25 : x - Step 2: Convert to fraction form
5,151,080.99/7,108,135.97 = 2,859,061.25/x - Step 3: Cross multiply
5,151,080.99x = 7,108,135.97 × 2,859,061.25 - Step 4: Simplify right side
5,151,080.99x = 20,322,596,115,033.20 - Step 5: Solve for x
x = 20,322,596,115,033.20/5,151,080.99 - Step 6: Final answer
x = 3,945,307.04
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.