Finding the Fourth Proportional to 1,622,394.99, 2,431,876.34 and 611,079.38
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Solution
The fourth proportional to 1,622,394.99, 2,431,876.34 and 611,079.38 is: 915,972.68
Step by Step Solution
- Step 1: Write the proportion equation
1,622,394.99 : 2,431,876.34 = 611,079.38 : x - Step 2: Convert to fraction form
1,622,394.99/2,431,876.34 = 611,079.38/x - Step 3: Cross multiply
1,622,394.99x = 2,431,876.34 × 611,079.38 - Step 4: Simplify right side
1,622,394.99x = 1,486,069,475,452.19 - Step 5: Solve for x
x = 1,486,069,475,452.19/1,622,394.99 - Step 6: Final answer
x = 915,972.68
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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.