Finding the Fourth Proportional to 2,986,351.92, 4,480,597.08 and 1,279,779.12
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Solution
The fourth proportional to 2,986,351.92, 4,480,597.08 and 1,279,779.12 is: 1,920,126.88
Step by Step Solution
- Step 1: Write the proportion equation
2,986,351.92 : 4,480,597.08 = 1,279,779.12 : x - Step 2: Convert to fraction form
2,986,351.92/4,480,597.08 = 1,279,779.12/x - Step 3: Cross multiply
2,986,351.92x = 4,480,597.08 × 1,279,779.12 - Step 4: Simplify right side
2,986,351.92x = 5,734,174,588,116.97 - Step 5: Solve for x
x = 5,734,174,588,116.97/2,986,351.92 - Step 6: Final answer
x = 1,920,126.88
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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.