Finding the Fourth Proportional to 1,687,698.24, 2,329,026.42 and 923,800.20
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Solution
The fourth proportional to 1,687,698.24, 2,329,026.42 and 923,800.20 is: 1,274,845.84
Step by Step Solution
- Step 1: Write the proportion equation
1,687,698.24 : 2,329,026.42 = 923,800.20 : x - Step 2: Convert to fraction form
1,687,698.24/2,329,026.42 = 923,800.20/x - Step 3: Cross multiply
1,687,698.24x = 2,329,026.42 × 923,800.20 - Step 4: Simplify right side
1,687,698.24x = 2,151,555,072,601.28 - Step 5: Solve for x
x = 2,151,555,072,601.28/1,687,698.24 - Step 6: Final answer
x = 1,274,845.84
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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.