Finding the Fourth Proportional to 2,170,236.20, 2,994,920.80 and 1,203,341.63
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Solution
The fourth proportional to 2,170,236.20, 2,994,920.80 and 1,203,341.63 is: 1,660,608.59
Step by Step Solution
- Step 1: Write the proportion equation
2,170,236.20 : 2,994,920.80 = 1,203,341.63 : x - Step 2: Convert to fraction form
2,170,236.20/2,994,920.80 = 1,203,341.63/x - Step 3: Cross multiply
2,170,236.20x = 2,994,920.80 × 1,203,341.63 - Step 4: Simplify right side
2,170,236.20x = 3,603,912,859,209.95 - Step 5: Solve for x
x = 3,603,912,859,209.95/2,170,236.20 - Step 6: Final answer
x = 1,660,608.59
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1.5x scale
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.