Finding the Fourth Proportional to 2,170,236.32, 2,994,920.97 and 1,203,341.75
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Solution
The fourth proportional to 2,170,236.32, 2,994,920.97 and 1,203,341.75 is: 1,660,608.76
Step by Step Solution
- Step 1: Write the proportion equation
2,170,236.32 : 2,994,920.97 = 1,203,341.75 : x - Step 2: Convert to fraction form
2,170,236.32/2,994,920.97 = 1,203,341.75/x - Step 3: Cross multiply
2,170,236.32x = 2,994,920.97 × 1,203,341.75 - Step 4: Simplify right side
2,170,236.32x = 3,603,913,441,151.50 - Step 5: Solve for x
x = 3,603,913,441,151.50/2,170,236.32 - Step 6: Final answer
x = 1,660,608.76
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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.