Finding the Fourth Proportional to 2,103,159.28, 3,154,247.40 and 682,850.80
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Solution
The fourth proportional to 2,103,159.28, 3,154,247.40 and 682,850.80 is: 1,024,116.61
Step by Step Solution
- Step 1: Write the proportion equation
2,103,159.28 : 3,154,247.40 = 682,850.80 : x - Step 2: Convert to fraction form
2,103,159.28/3,154,247.40 = 682,850.80/x - Step 3: Cross multiply
2,103,159.28x = 3,154,247.40 × 682,850.80 - Step 4: Simplify right side
2,103,159.28x = 2,153,880,360,487.92 - Step 5: Solve for x
x = 2,153,880,360,487.92/2,103,159.28 - Step 6: Final answer
x = 1,024,116.61
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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.