Finding the Fourth Proportional to 2,310,771.20, 3,465,638.40 and 1,517,619.20
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Solution
The fourth proportional to 2,310,771.20, 3,465,638.40 and 1,517,619.20 is: 2,276,088.34
Step by Step Solution
- Step 1: Write the proportion equation
2,310,771.20 : 3,465,638.40 = 1,517,619.20 : x - Step 2: Convert to fraction form
2,310,771.20/3,465,638.40 = 1,517,619.20/x - Step 3: Cross multiply
2,310,771.20x = 3,465,638.40 × 1,517,619.20 - Step 4: Simplify right side
2,310,771.20x = 5,259,519,376,097.28 - Step 5: Solve for x
x = 5,259,519,376,097.28/2,310,771.20 - Step 6: Final answer
x = 2,276,088.34
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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.