Finding the Fourth Proportional to 2,790,878.20, 4,183,660.07 and 896,291.03
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Solution
The fourth proportional to 2,790,878.20, 4,183,660.07 and 896,291.03 is: 1,343,583.18
Step by Step Solution
- Step 1: Write the proportion equation
2,790,878.20 : 4,183,660.07 = 896,291.03 : x - Step 2: Convert to fraction form
2,790,878.20/4,183,660.07 = 896,291.03/x - Step 3: Cross multiply
2,790,878.20x = 4,183,660.07 × 896,291.03 - Step 4: Simplify right side
2,790,878.20x = 3,749,776,993,310.17 - Step 5: Solve for x
x = 3,749,776,993,310.17/2,790,878.20 - Step 6: Final answer
x = 1,343,583.18
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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.