Finding the Fourth Proportional to 1,214,105.91, 1,675,471.53 and 670,246.17
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Solution
The fourth proportional to 1,214,105.91, 1,675,471.53 and 670,246.17 is: 924,942.68
Step by Step Solution
- Step 1: Write the proportion equation
1,214,105.91 : 1,675,471.53 = 670,246.17 : x - Step 2: Convert to fraction form
1,214,105.91/1,675,471.53 = 670,246.17/x - Step 3: Cross multiply
1,214,105.91x = 1,675,471.53 × 670,246.17 - Step 4: Simplify right side
1,214,105.91x = 1,122,978,375,926.54 - Step 5: Solve for x
x = 1,122,978,375,926.54/1,214,105.91 - Step 6: Final answer
x = 924,942.68
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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.