Finding the Fourth Proportional to 1,491,562.62, 2,058,259.41 and 879,575.02
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Solution
The fourth proportional to 1,491,562.62, 2,058,259.41 and 879,575.02 is: 1,213,756.32
Step by Step Solution
- Step 1: Write the proportion equation
1,491,562.62 : 2,058,259.41 = 879,575.02 : x - Step 2: Convert to fraction form
1,491,562.62/2,058,259.41 = 879,575.02/x - Step 3: Cross multiply
1,491,562.62x = 2,058,259.41 × 879,575.02 - Step 4: Simplify right side
1,491,562.62x = 1,810,393,556,570.29 - Step 5: Solve for x
x = 1,810,393,556,570.29/1,491,562.62 - Step 6: Final answer
x = 1,213,756.32
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.