Finding the Fourth Proportional to 3,529,343.76, 5,291,434.68 and 1,131,823.68
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Solution
The fourth proportional to 3,529,343.76, 5,291,434.68 and 1,131,823.68 is: 1,696,907.83
Step by Step Solution
- Step 1: Write the proportion equation
3,529,343.76 : 5,291,434.68 = 1,131,823.68 : x - Step 2: Convert to fraction form
3,529,343.76/5,291,434.68 = 1,131,823.68/x - Step 3: Cross multiply
3,529,343.76x = 5,291,434.68 × 1,131,823.68 - Step 4: Simplify right side
3,529,343.76x = 5,988,971,071,997.22 - Step 5: Solve for x
x = 5,988,971,071,997.22/3,529,343.76 - Step 6: Final answer
x = 1,696,907.83
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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.