Finding the Fourth Proportional to 3,491,331, 4,817,961.16 and 2,021,301.52
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Solution
The fourth proportional to 3,491,331, 4,817,961.16 and 2,021,301.52 is: 2,789,352.32
Step by Step Solution
- Step 1: Write the proportion equation
3,491,331 : 4,817,961.16 = 2,021,301.52 : x - Step 2: Convert to fraction form
3,491,331/4,817,961.16 = 2,021,301.52/x - Step 3: Cross multiply
3,491,331x = 4,817,961.16 × 2,021,301.52 - Step 4: Simplify right side
3,491,331x = 9,738,552,216,008.96 - Step 5: Solve for x
x = 9,738,552,216,008.96/3,491,331 - Step 6: Final answer
x = 2,789,352.32
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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.