Finding the Fourth Proportional to 1,586,180.05, 2,188,931.24 and 861,028.26
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Solution
The fourth proportional to 1,586,180.05, 2,188,931.24 and 861,028.26 is: 1,188,220.50
Step by Step Solution
- Step 1: Write the proportion equation
1,586,180.05 : 2,188,931.24 = 861,028.26 : x - Step 2: Convert to fraction form
1,586,180.05/2,188,931.24 = 861,028.26/x - Step 3: Cross multiply
1,586,180.05x = 2,188,931.24 × 861,028.26 - Step 4: Simplify right side
1,586,180.05x = 1,884,731,645,892.19 - Step 5: Solve for x
x = 1,884,731,645,892.19/1,586,180.05 - Step 6: Final answer
x = 1,188,220.50
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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.