Finding the Fourth Proportional to 1,603,720.97, 2,213,134.76 and 959,141.06
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Solution
The fourth proportional to 1,603,720.97, 2,213,134.76 and 959,141.06 is: 1,323,614.55
Step by Step Solution
- Step 1: Write the proportion equation
1,603,720.97 : 2,213,134.76 = 959,141.06 : x - Step 2: Convert to fraction form
1,603,720.97/2,213,134.76 = 959,141.06/x - Step 3: Cross multiply
1,603,720.97x = 2,213,134.76 × 959,141.06 - Step 4: Simplify right side
1,603,720.97x = 2,122,708,414,833.54 - Step 5: Solve for x
x = 2,122,708,414,833.54/1,603,720.97 - Step 6: Final answer
x = 1,323,614.55
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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.