Finding the Fourth Proportional to 4,426,873.80, 6,640,310.70 and 4,048,960.20
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Solution
The fourth proportional to 4,426,873.80, 6,640,310.70 and 4,048,960.20 is: 6,073,440.30
Step by Step Solution
- Step 1: Write the proportion equation
4,426,873.80 : 6,640,310.70 = 4,048,960.20 : x - Step 2: Convert to fraction form
4,426,873.80/6,640,310.70 = 4,048,960.20/x - Step 3: Cross multiply
4,426,873.80x = 6,640,310.70 × 4,048,960.20 - Step 4: Simplify right side
4,426,873.80x = 26,886,353,739,934.14 - Step 5: Solve for x
x = 26,886,353,739,934.14/4,426,873.80 - Step 6: Final answer
x = 6,073,440.30
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1.5x scale
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.