Finding the Fourth Proportional to 4,126,831.54, 5,695,205.38 and 2,291,289.92
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Solution
The fourth proportional to 4,126,831.54, 5,695,205.38 and 2,291,289.92 is: 3,162,078.84
Step by Step Solution
- Step 1: Write the proportion equation
4,126,831.54 : 5,695,205.38 = 2,291,289.92 : x - Step 2: Convert to fraction form
4,126,831.54/5,695,205.38 = 2,291,289.92/x - Step 3: Cross multiply
4,126,831.54x = 5,695,205.38 × 2,291,289.92 - Step 4: Simplify right side
4,126,831.54x = 13,049,366,679,523.77 - Step 5: Solve for x
x = 13,049,366,679,523.77/4,126,831.54 - Step 6: Final answer
x = 3,162,078.84
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.