Finding the Fourth Proportional to 2,512,644.60, 3,770,133.30 and 1,315,918.20
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Solution
The fourth proportional to 2,512,644.60, 3,770,133.30 and 1,315,918.20 is: 1,974,488.17
Step by Step Solution
- Step 1: Write the proportion equation
2,512,644.60 : 3,770,133.30 = 1,315,918.20 : x - Step 2: Convert to fraction form
2,512,644.60/3,770,133.30 = 1,315,918.20/x - Step 3: Cross multiply
2,512,644.60x = 3,770,133.30 × 1,315,918.20 - Step 4: Simplify right side
2,512,644.60x = 4,961,187,025,896.06 - Step 5: Solve for x
x = 4,961,187,025,896.06/2,512,644.60 - Step 6: Final answer
x = 1,974,488.17
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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.