Finding the Fourth Proportional to 2,652,195.20, 3,968,961.60 and 2,428,246.40
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Solution
The fourth proportional to 2,652,195.20, 3,968,961.60 and 2,428,246.40 is: 3,633,826.32
Step by Step Solution
- Step 1: Write the proportion equation
2,652,195.20 : 3,968,961.60 = 2,428,246.40 : x - Step 2: Convert to fraction form
2,652,195.20/3,968,961.60 = 2,428,246.40/x - Step 3: Cross multiply
2,652,195.20x = 3,968,961.60 × 2,428,246.40 - Step 4: Simplify right side
2,652,195.20x = 9,637,616,716,938.24 - Step 5: Solve for x
x = 9,637,616,716,938.24/2,652,195.20 - Step 6: Final answer
x = 3,633,826.32
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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.