Finding the Fourth Proportional to 1,615,913.26, 2,229,945 and 880,867.42
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Solution
The fourth proportional to 1,615,913.26, 2,229,945 and 880,867.42 is: 1,215,588.70
Step by Step Solution
- Step 1: Write the proportion equation
1,615,913.26 : 2,229,945 = 880,867.42 : x - Step 2: Convert to fraction form
1,615,913.26/2,229,945 = 880,867.42/x - Step 3: Cross multiply
1,615,913.26x = 2,229,945 × 880,867.42 - Step 4: Simplify right side
1,615,913.26x = 1,964,285,898,891.90 - Step 5: Solve for x
x = 1,964,285,898,891.90/1,615,913.26 - Step 6: Final answer
x = 1,215,588.70
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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.