Finding the Fourth Proportional to 2,809,672.80, 4,214,520.12 and 679,753.44
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Solution
The fourth proportional to 2,809,672.80, 4,214,520.12 and 679,753.44 is: 1,019,632.80
Step by Step Solution
- Step 1: Write the proportion equation
2,809,672.80 : 4,214,520.12 = 679,753.44 : x - Step 2: Convert to fraction form
2,809,672.80/4,214,520.12 = 679,753.44/x - Step 3: Cross multiply
2,809,672.80x = 4,214,520.12 × 679,753.44 - Step 4: Simplify right side
2,809,672.80x = 2,864,834,549,519.21 - Step 5: Solve for x
x = 2,864,834,549,519.21/2,809,672.80 - Step 6: Final answer
x = 1,019,632.80
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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.