Finding the Fourth Proportional to 4,431,146.85, 6,114,999.38 and 2,800,278.99
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Solution
The fourth proportional to 4,431,146.85, 6,114,999.38 and 2,800,278.99 is: 3,864,395.57
Step by Step Solution
- Step 1: Write the proportion equation
4,431,146.85 : 6,114,999.38 = 2,800,278.99 : x - Step 2: Convert to fraction form
4,431,146.85/6,114,999.38 = 2,800,278.99/x - Step 3: Cross multiply
4,431,146.85x = 6,114,999.38 × 2,800,278.99 - Step 4: Simplify right side
4,431,146.85x = 17,123,704,273,675.63 - Step 5: Solve for x
x = 17,123,704,273,675.63/4,431,146.85 - Step 6: Final answer
x = 3,864,395.57
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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.