Finding the Fourth Proportional to 1,515,635.04, 2,091,576.48 and 836,571.68
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Solution
The fourth proportional to 1,515,635.04, 2,091,576.48 and 836,571.68 is: 1,154,468.99
Step by Step Solution
- Step 1: Write the proportion equation
1,515,635.04 : 2,091,576.48 = 836,571.68 : x - Step 2: Convert to fraction form
1,515,635.04/2,091,576.48 = 836,571.68/x - Step 3: Cross multiply
1,515,635.04x = 2,091,576.48 × 836,571.68 - Step 4: Simplify right side
1,515,635.04x = 1,749,753,649,722.09 - Step 5: Solve for x
x = 1,749,753,649,722.09/1,515,635.04 - Step 6: Final answer
x = 1,154,468.99
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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.