Finding the Fourth Proportional to 3,915,658.97, 5,879,254.15 and 2,189,909.95
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Solution
The fourth proportional to 3,915,658.97, 5,879,254.15 and 2,189,909.95 is: 3,288,089.50
Step by Step Solution
- Step 1: Write the proportion equation
3,915,658.97 : 5,879,254.15 = 2,189,909.95 : x - Step 2: Convert to fraction form
3,915,658.97/5,879,254.15 = 2,189,909.95/x - Step 3: Cross multiply
3,915,658.97x = 5,879,254.15 × 2,189,909.95 - Step 4: Simplify right side
3,915,658.97x = 12,875,037,146,831.91 - Step 5: Solve for x
x = 12,875,037,146,831.91/3,915,658.97 - Step 6: Final answer
x = 3,288,089.50
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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.