Finding the Fourth Proportional to 1,682,553.78, 2,519,807.19 and 970,422.84
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Solution
The fourth proportional to 1,682,553.78, 2,519,807.19 and 970,422.84 is: 1,453,313.69
Step by Step Solution
- Step 1: Write the proportion equation
1,682,553.78 : 2,519,807.19 = 970,422.84 : x - Step 2: Convert to fraction form
1,682,553.78/2,519,807.19 = 970,422.84/x - Step 3: Cross multiply
1,682,553.78x = 2,519,807.19 × 970,422.84 - Step 4: Simplify right side
1,682,553.78x = 2,445,278,449,572.22 - Step 5: Solve for x
x = 2,445,278,449,572.22/1,682,553.78 - Step 6: Final answer
x = 1,453,313.69
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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.