Finding the Fourth Proportional to 1,689,365.48, 2,331,324.24 and 925,418.84
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Solution
The fourth proportional to 1,689,365.48, 2,331,324.24 and 925,418.84 is: 1,277,077.93
Step by Step Solution
- Step 1: Write the proportion equation
1,689,365.48 : 2,331,324.24 = 925,418.84 : x - Step 2: Convert to fraction form
1,689,365.48/2,331,324.24 = 925,418.84/x - Step 3: Cross multiply
1,689,365.48x = 2,331,324.24 × 925,418.84 - Step 4: Simplify right side
1,689,365.48x = 2,157,451,373,844.68 - Step 5: Solve for x
x = 2,157,451,373,844.68/1,689,365.48 - Step 6: Final answer
x = 1,277,077.93
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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.