Finding the Fourth Proportional to 1,906,831.76, 2,860,246.20 and 486,888.08
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Solution
The fourth proportional to 1,906,831.76, 2,860,246.20 and 486,888.08 is: 730,331.75
Step by Step Solution
- Step 1: Write the proportion equation
1,906,831.76 : 2,860,246.20 = 486,888.08 : x - Step 2: Convert to fraction form
1,906,831.76/2,860,246.20 = 486,888.08/x - Step 3: Cross multiply
1,906,831.76x = 2,860,246.20 × 486,888.08 - Step 4: Simplify right side
1,906,831.76x = 1,392,619,780,645.30 - Step 5: Solve for x
x = 1,392,619,780,645.30/1,906,831.76 - Step 6: Final answer
x = 730,331.75
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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.