Finding the Fourth Proportional to 2,879,690.48, 4,319,793.98 and 749,793.05
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Solution
The fourth proportional to 2,879,690.48, 4,319,793.98 and 749,793.05 is: 1,124,756.82
Step by Step Solution
- Step 1: Write the proportion equation
2,879,690.48 : 4,319,793.98 = 749,793.05 : x - Step 2: Convert to fraction form
2,879,690.48/4,319,793.98 = 749,793.05/x - Step 3: Cross multiply
2,879,690.48x = 4,319,793.98 × 749,793.05 - Step 4: Simplify right side
2,879,690.48x = 3,238,951,503,635.84 - Step 5: Solve for x
x = 3,238,951,503,635.84/2,879,690.48 - Step 6: Final answer
x = 1,124,756.82
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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.