Finding the Fourth Proportional to 1,615,912.26, 2,229,943.62 and 880,866.42
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Solution
The fourth proportional to 1,615,912.26, 2,229,943.62 and 880,866.42 is: 1,215,587.32
Step by Step Solution
- Step 1: Write the proportion equation
1,615,912.26 : 2,229,943.62 = 880,866.42 : x - Step 2: Convert to fraction form
1,615,912.26/2,229,943.62 = 880,866.42/x - Step 3: Cross multiply
1,615,912.26x = 2,229,943.62 × 880,866.42 - Step 4: Simplify right side
1,615,912.26x = 1,964,282,453,351.24 - Step 5: Solve for x
x = 1,964,282,453,351.24/1,615,912.26 - Step 6: Final answer
x = 1,215,587.32
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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.