Finding the Fourth Proportional to 4,320,343.05, 6,480,491.16 and 1,761,548.08
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Solution
The fourth proportional to 4,320,343.05, 6,480,491.16 and 1,761,548.08 is: 2,642,312.57
Step by Step Solution
- Step 1: Write the proportion equation
4,320,343.05 : 6,480,491.16 = 1,761,548.08 : x - Step 2: Convert to fraction form
4,320,343.05/6,480,491.16 = 1,761,548.08/x - Step 3: Cross multiply
4,320,343.05x = 6,480,491.16 × 1,761,548.08 - Step 4: Simplify right side
4,320,343.05x = 11,415,696,760,354.97 - Step 5: Solve for x
x = 11,415,696,760,354.97/4,320,343.05 - Step 6: Final answer
x = 2,642,312.57
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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.