Finding the Fourth Proportional to 2,836,143.21, 3,912,762.29 and 1,746,523.09
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Solution
The fourth proportional to 2,836,143.21, 3,912,762.29 and 1,746,523.09 is: 2,409,515.02
Step by Step Solution
- Step 1: Write the proportion equation
2,836,143.21 : 3,912,762.29 = 1,746,523.09 : x - Step 2: Convert to fraction form
2,836,143.21/3,912,762.29 = 1,746,523.09/x - Step 3: Cross multiply
2,836,143.21x = 3,912,762.29 × 1,746,523.09 - Step 4: Simplify right side
2,836,143.21x = 6,833,729,656,869.85 - Step 5: Solve for x
x = 6,833,729,656,869.85/2,836,143.21 - Step 6: Final answer
x = 2,409,515.02
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.