Finding the Fourth Proportional to 2,409,938.16, 3,614,919.62 and 812,515.09
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Solution
The fourth proportional to 2,409,938.16, 3,614,919.62 and 812,515.09 is: 1,218,776.81
Step by Step Solution
- Step 1: Write the proportion equation
2,409,938.16 : 3,614,919.62 = 812,515.09 : x - Step 2: Convert to fraction form
2,409,938.16/3,614,919.62 = 812,515.09/x - Step 3: Cross multiply
2,409,938.16x = 3,614,919.62 × 812,515.09 - Step 4: Simplify right side
2,409,938.16x = 2,937,176,740,387.07 - Step 5: Solve for x
x = 2,937,176,740,387.07/2,409,938.16 - Step 6: Final answer
x = 1,218,776.81
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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.