Finding the Fourth Proportional to 4,310,403.20, 6,465,604.80 and 2,798,748.80
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Solution
The fourth proportional to 4,310,403.20, 6,465,604.80 and 2,798,748.80 is: 4,198,123.20
Step by Step Solution
- Step 1: Write the proportion equation
4,310,403.20 : 6,465,604.80 = 2,798,748.80 : x - Step 2: Convert to fraction form
4,310,403.20/6,465,604.80 = 2,798,748.80/x - Step 3: Cross multiply
4,310,403.20x = 6,465,604.80 × 2,798,748.80 - Step 4: Simplify right side
4,310,403.20x = 18,095,603,675,274.24 - Step 5: Solve for x
x = 18,095,603,675,274.24/4,310,403.20 - Step 6: Final answer
x = 4,198,123.20
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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.