Finding the Fourth Proportional to 5,351,908.09, 7,385,637.02 and 2,904,518.51
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Solution
The fourth proportional to 5,351,908.09, 7,385,637.02 and 2,904,518.51 is: 4,008,237.64
Step by Step Solution
- Step 1: Write the proportion equation
5,351,908.09 : 7,385,637.02 = 2,904,518.51 : x - Step 2: Convert to fraction form
5,351,908.09/7,385,637.02 = 2,904,518.51/x - Step 3: Cross multiply
5,351,908.09x = 7,385,637.02 × 2,904,518.51 - Step 4: Simplify right side
5,351,908.09x = 21,451,719,432,731.24 - Step 5: Solve for x
x = 21,451,719,432,731.24/5,351,908.09 - Step 6: Final answer
x = 4,008,237.64
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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.