Finding the Fourth Proportional to 2,170,831.80, 3,256,403.18 and 573,378.96
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Solution
The fourth proportional to 2,170,831.80, 3,256,403.18 and 573,378.96 is: 860,109.51
Step by Step Solution
- Step 1: Write the proportion equation
2,170,831.80 : 3,256,403.18 = 573,378.96 : x - Step 2: Convert to fraction form
2,170,831.80/3,256,403.18 = 573,378.96/x - Step 3: Cross multiply
2,170,831.80x = 3,256,403.18 × 573,378.96 - Step 4: Simplify right side
2,170,831.80x = 1,867,153,068,689.09 - Step 5: Solve for x
x = 1,867,153,068,689.09/2,170,831.80 - Step 6: Final answer
x = 860,109.51
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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.