Finding the Fourth Proportional to 5,351,931.84, 7,385,669.74 and 2,904,542.31
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Solution
The fourth proportional to 5,351,931.84, 7,385,669.74 and 2,904,542.31 is: 4,008,270.45
Step by Step Solution
- Step 1: Write the proportion equation
5,351,931.84 : 7,385,669.74 = 2,904,542.31 : x - Step 2: Convert to fraction form
5,351,931.84/7,385,669.74 = 2,904,542.31/x - Step 3: Cross multiply
5,351,931.84x = 7,385,669.74 × 2,904,542.31 - Step 4: Simplify right side
5,351,931.84x = 21,451,990,278,843.64 - Step 5: Solve for x
x = 21,451,990,278,843.64/5,351,931.84 - Step 6: Final answer
x = 4,008,270.45
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1.5x scale
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.