Finding the Fourth Proportional to 1,347,198.87, 2,021,121.18 and 448,648.41
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Solution
The fourth proportional to 1,347,198.87, 2,021,121.18 and 448,648.41 is: 673,080.14
Step by Step Solution
- Step 1: Write the proportion equation
1,347,198.87 : 2,021,121.18 = 448,648.41 : x - Step 2: Convert to fraction form
1,347,198.87/2,021,121.18 = 448,648.41/x - Step 3: Cross multiply
1,347,198.87x = 2,021,121.18 × 448,648.41 - Step 4: Simplify right side
1,347,198.87x = 906,772,803,824.32 - Step 5: Solve for x
x = 906,772,803,824.32/1,347,198.87 - Step 6: Final answer
x = 673,080.14
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.