Finding the Fourth Proportional to 1,689,414.24, 2,331,392.16 and 925,495.20
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Solution
The fourth proportional to 1,689,414.24, 2,331,392.16 and 925,495.20 is: 1,277,183.65
Step by Step Solution
- Step 1: Write the proportion equation
1,689,414.24 : 2,331,392.16 = 925,495.20 : x - Step 2: Convert to fraction form
1,689,414.24/2,331,392.16 = 925,495.20/x - Step 3: Cross multiply
1,689,414.24x = 2,331,392.16 × 925,495.20 - Step 4: Simplify right side
1,689,414.24x = 2,157,692,253,397.63 - Step 5: Solve for x
x = 2,157,692,253,397.63/1,689,414.24 - Step 6: Final answer
x = 1,277,183.65
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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.