Finding the Fourth Proportional to 4,126,831.30, 5,695,205.05 and 2,291,289.68
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Solution
The fourth proportional to 4,126,831.30, 5,695,205.05 and 2,291,289.68 is: 3,162,078.50
Step by Step Solution
- Step 1: Write the proportion equation
4,126,831.30 : 5,695,205.05 = 2,291,289.68 : x - Step 2: Convert to fraction form
4,126,831.30/5,695,205.05 = 2,291,289.68/x - Step 3: Cross multiply
4,126,831.30x = 5,695,205.05 × 2,291,289.68 - Step 4: Simplify right side
4,126,831.30x = 13,049,364,528,072.86 - Step 5: Solve for x
x = 13,049,364,528,072.86/4,126,831.30 - Step 6: Final answer
x = 3,162,078.50
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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.