Finding the Fourth Proportional to 4,480,880.40, 6,184,170.45 and 2,738,191.32
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Solution
The fourth proportional to 4,480,880.40, 6,184,170.45 and 2,738,191.32 is: 3,779,043.48
Step by Step Solution
- Step 1: Write the proportion equation
4,480,880.40 : 6,184,170.45 = 2,738,191.32 : x - Step 2: Convert to fraction form
4,480,880.40/6,184,170.45 = 2,738,191.32/x - Step 3: Cross multiply
4,480,880.40x = 6,184,170.45 × 2,738,191.32 - Step 4: Simplify right side
4,480,880.40x = 16,933,441,847,590.49 - Step 5: Solve for x
x = 16,933,441,847,590.49/4,480,880.40 - Step 6: Final answer
x = 3,779,043.48
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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.