Finding the Fourth Proportional to 3,705,920.09, 5,559,838.55 and 2,170,212.34
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Solution
The fourth proportional to 3,705,920.09, 5,559,838.55 and 2,170,212.34 is: 3,255,879.76
Step by Step Solution
- Step 1: Write the proportion equation
3,705,920.09 : 5,559,838.55 = 2,170,212.34 : x - Step 2: Convert to fraction form
3,705,920.09/5,559,838.55 = 2,170,212.34/x - Step 3: Cross multiply
3,705,920.09x = 5,559,838.55 × 2,170,212.34 - Step 4: Simplify right side
3,705,920.09x = 12,066,030,204,867.05 - Step 5: Solve for x
x = 12,066,030,204,867.05/3,705,920.09 - Step 6: Final answer
x = 3,255,879.76
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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.