Finding the Fourth Proportional to 1,603,720.72, 2,213,134.41 and 959,140.81
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Solution
The fourth proportional to 1,603,720.72, 2,213,134.41 and 959,140.81 is: 1,323,614.21
Step by Step Solution
- Step 1: Write the proportion equation
1,603,720.72 : 2,213,134.41 = 959,140.81 : x - Step 2: Convert to fraction form
1,603,720.72/2,213,134.41 = 959,140.81/x - Step 3: Cross multiply
1,603,720.72x = 2,213,134.41 × 959,140.81 - Step 4: Simplify right side
1,603,720.72x = 2,122,707,530,646.27 - Step 5: Solve for x
x = 2,122,707,530,646.27/1,603,720.72 - Step 6: Final answer
x = 1,323,614.21
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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.