Finding the Fourth Proportional to 3,087,749.28, 4,261,044.24 and 1,729,618.08
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Solution
The fourth proportional to 3,087,749.28, 4,261,044.24 and 1,729,618.08 is: 2,386,845.07
Step by Step Solution
- Step 1: Write the proportion equation
3,087,749.28 : 4,261,044.24 = 1,729,618.08 : x - Step 2: Convert to fraction form
3,087,749.28/4,261,044.24 = 1,729,618.08/x - Step 3: Cross multiply
3,087,749.28x = 4,261,044.24 × 1,729,618.08 - Step 4: Simplify right side
3,087,749.28x = 7,369,979,157,183.86 - Step 5: Solve for x
x = 7,369,979,157,183.86/3,087,749.28 - Step 6: Final answer
x = 2,386,845.07
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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.