Finding the Fourth Proportional to 2,565,486.96, 3,847,147.80 and 768,625.92
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Solution
The fourth proportional to 2,565,486.96, 3,847,147.80 and 768,625.92 is: 1,152,614.52
Step by Step Solution
- Step 1: Write the proportion equation
2,565,486.96 : 3,847,147.80 = 768,625.92 : x - Step 2: Convert to fraction form
2,565,486.96/3,847,147.80 = 768,625.92/x - Step 3: Cross multiply
2,565,486.96x = 3,847,147.80 × 768,625.92 - Step 4: Simplify right side
2,565,486.96x = 2,957,017,517,150.98 - Step 5: Solve for x
x = 2,957,017,517,150.98/2,565,486.96 - Step 6: Final answer
x = 1,152,614.52
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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.