Finding the Fourth Proportional to 1,689,452.10, 2,331,470.28 and 925,455.24
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Solution
The fourth proportional to 1,689,452.10, 2,331,470.28 and 925,455.24 is: 1,277,142.68
Step by Step Solution
- Step 1: Write the proportion equation
1,689,452.10 : 2,331,470.28 = 925,455.24 : x - Step 2: Convert to fraction form
1,689,452.10/2,331,470.28 = 925,455.24/x - Step 3: Cross multiply
1,689,452.10x = 2,331,470.28 × 925,455.24 - Step 4: Simplify right side
1,689,452.10x = 2,157,671,387,530.27 - Step 5: Solve for x
x = 2,157,671,387,530.27/1,689,452.10 - Step 6: Final answer
x = 1,277,142.68
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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.