Finding the Fourth Proportional to 1,986,768.24, 2,979,906.12 and 566,948.40
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Solution
The fourth proportional to 1,986,768.24, 2,979,906.12 and 566,948.40 is: 850,352.33
Step by Step Solution
- Step 1: Write the proportion equation
1,986,768.24 : 2,979,906.12 = 566,948.40 : x - Step 2: Convert to fraction form
1,986,768.24/2,979,906.12 = 566,948.40/x - Step 3: Cross multiply
1,986,768.24x = 2,979,906.12 × 566,948.40 - Step 4: Simplify right side
1,986,768.24x = 1,689,453,006,884.21 - Step 5: Solve for x
x = 1,689,453,006,884.21/1,986,768.24 - Step 6: Final answer
x = 850,352.33
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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.