Finding the Fourth Proportional to 1,551,126.12, 2,326,718.34 and 486,144.60
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Solution
The fourth proportional to 1,551,126.12, 2,326,718.34 and 486,144.60 is: 729,226.04
Step by Step Solution
- Step 1: Write the proportion equation
1,551,126.12 : 2,326,718.34 = 486,144.60 : x - Step 2: Convert to fraction form
1,551,126.12/2,326,718.34 = 486,144.60/x - Step 3: Cross multiply
1,551,126.12x = 2,326,718.34 × 486,144.60 - Step 4: Simplify right side
1,551,126.12x = 1,131,121,556,711.96 - Step 5: Solve for x
x = 1,131,121,556,711.96/1,551,126.12 - Step 6: Final answer
x = 729,226.04
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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.