Finding the Fourth Proportional to 1,512,165.20, 2,268,247.80 and 514,893.20
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Solution
The fourth proportional to 1,512,165.20, 2,268,247.80 and 514,893.20 is: 772,339.80
Step by Step Solution
- Step 1: Write the proportion equation
1,512,165.20 : 2,268,247.80 = 514,893.20 : x - Step 2: Convert to fraction form
1,512,165.20/2,268,247.80 = 514,893.20/x - Step 3: Cross multiply
1,512,165.20x = 2,268,247.80 × 514,893.20 - Step 4: Simplify right side
1,512,165.20x = 1,167,905,368,134.96 - Step 5: Solve for x
x = 1,167,905,368,134.96/1,512,165.20 - Step 6: Final answer
x = 772,339.80
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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.