Finding the Fourth Proportional to 1,974,463.26, 2,961,694.92 and 478,555.26
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Solution
The fourth proportional to 1,974,463.26, 2,961,694.92 and 478,555.26 is: 717,832.90
Step by Step Solution
- Step 1: Write the proportion equation
1,974,463.26 : 2,961,694.92 = 478,555.26 : x - Step 2: Convert to fraction form
1,974,463.26/2,961,694.92 = 478,555.26/x - Step 3: Cross multiply
1,974,463.26x = 2,961,694.92 × 478,555.26 - Step 4: Simplify right side
1,974,463.26x = 1,417,334,682,481.28 - Step 5: Solve for x
x = 1,417,334,682,481.28/1,974,463.26 - Step 6: Final answer
x = 717,832.90
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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.