Finding the Fourth Proportional to 5,023,700.20, 6,930,268.74 and 2,985,066.28
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Solution
The fourth proportional to 5,023,700.20, 6,930,268.74 and 2,985,066.28 is: 4,117,943.09
Step by Step Solution
- Step 1: Write the proportion equation
5,023,700.20 : 6,930,268.74 = 2,985,066.28 : x - Step 2: Convert to fraction form
5,023,700.20/6,930,268.74 = 2,985,066.28/x - Step 3: Cross multiply
5,023,700.20x = 6,930,268.74 × 2,985,066.28 - Step 4: Simplify right side
5,023,700.20x = 20,687,311,527,112.09 - Step 5: Solve for x
x = 20,687,311,527,112.09/5,023,700.20 - Step 6: Final answer
x = 4,117,943.09
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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.