Finding the Fourth Proportional to 3,343,479.12, 5,012,244.36 and 1,449,187.20
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Solution
The fourth proportional to 3,343,479.12, 5,012,244.36 and 1,449,187.20 is: 2,172,491.62
Step by Step Solution
- Step 1: Write the proportion equation
3,343,479.12 : 5,012,244.36 = 1,449,187.20 : x - Step 2: Convert to fraction form
3,343,479.12/5,012,244.36 = 1,449,187.20/x - Step 3: Cross multiply
3,343,479.12x = 5,012,244.36 × 1,449,187.20 - Step 4: Simplify right side
3,343,479.12x = 7,263,680,369,784.19 - Step 5: Solve for x
x = 7,263,680,369,784.19/3,343,479.12 - Step 6: Final answer
x = 2,172,491.62
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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.