Finding the Fourth Proportional to 3,141,411.99, 4,707,758.22 and 1,431,376.17
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Solution
The fourth proportional to 3,141,411.99, 4,707,758.22 and 1,431,376.17 is: 2,145,077.74
Step by Step Solution
- Step 1: Write the proportion equation
3,141,411.99 : 4,707,758.22 = 1,431,376.17 : x - Step 2: Convert to fraction form
3,141,411.99/4,707,758.22 = 1,431,376.17/x - Step 3: Cross multiply
3,141,411.99x = 4,707,758.22 × 1,431,376.17 - Step 4: Simplify right side
3,141,411.99x = 6,738,572,930,229.62 - Step 5: Solve for x
x = 6,738,572,930,229.62/3,141,411.99 - Step 6: Final answer
x = 2,145,077.74
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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.