Finding the Fourth Proportional to 1,565,344.20, 2,348,793.90 and 618,745.80
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Solution
The fourth proportional to 1,565,344.20, 2,348,793.90 and 618,745.80 is: 928,426.07
Step by Step Solution
- Step 1: Write the proportion equation
1,565,344.20 : 2,348,793.90 = 618,745.80 : x - Step 2: Convert to fraction form
1,565,344.20/2,348,793.90 = 618,745.80/x - Step 3: Cross multiply
1,565,344.20x = 2,348,793.90 × 618,745.80 - Step 4: Simplify right side
1,565,344.20x = 1,453,306,360,690.62 - Step 5: Solve for x
x = 1,453,306,360,690.62/1,565,344.20 - Step 6: Final answer
x = 928,426.07
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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.