Finding the Fourth Proportional to 3,534,939.90, 4,878,771.03 and 2,084,794.74
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Solution
The fourth proportional to 3,534,939.90, 4,878,771.03 and 2,084,794.74 is: 2,877,343.45
Step by Step Solution
- Step 1: Write the proportion equation
3,534,939.90 : 4,878,771.03 = 2,084,794.74 : x - Step 2: Convert to fraction form
3,534,939.90/4,878,771.03 = 2,084,794.74/x - Step 3: Cross multiply
3,534,939.90x = 4,878,771.03 × 2,084,794.74 - Step 4: Simplify right side
3,534,939.90x = 10,171,236,181,008.38 - Step 5: Solve for x
x = 10,171,236,181,008.38/3,534,939.90 - Step 6: Final answer
x = 2,877,343.45
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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.