Finding the Fourth Proportional to 3,474,929.40, 5,208,246.90 and 1,453,169.40
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Solution
The fourth proportional to 3,474,929.40, 5,208,246.90 and 1,453,169.40 is: 2,178,019.80
Step by Step Solution
- Step 1: Write the proportion equation
3,474,929.40 : 5,208,246.90 = 1,453,169.40 : x - Step 2: Convert to fraction form
3,474,929.40/5,208,246.90 = 1,453,169.40/x - Step 3: Cross multiply
3,474,929.40x = 5,208,246.90 × 1,453,169.40 - Step 4: Simplify right side
3,474,929.40x = 7,568,465,022,724.86 - Step 5: Solve for x
x = 7,568,465,022,724.86/3,474,929.40 - Step 6: Final answer
x = 2,178,019.80
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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.