Finding the Fourth Proportional to 1,719,351.40, 2,579,027.10 and 1,559,919.10
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Solution
The fourth proportional to 1,719,351.40, 2,579,027.10 and 1,559,919.10 is: 2,339,878.65
Step by Step Solution
- Step 1: Write the proportion equation
1,719,351.40 : 2,579,027.10 = 1,559,919.10 : x - Step 2: Convert to fraction form
1,719,351.40/2,579,027.10 = 1,559,919.10/x - Step 3: Cross multiply
1,719,351.40x = 2,579,027.10 × 1,559,919.10 - Step 4: Simplify right side
1,719,351.40x = 4,023,073,632,707.61 - Step 5: Solve for x
x = 4,023,073,632,707.61/1,719,351.40 - Step 6: Final answer
x = 2,339,878.65
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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.