Finding the Fourth Proportional to 1,689,350.98, 2,331,304.77 and 925,431.70
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Solution
The fourth proportional to 1,689,350.98, 2,331,304.77 and 925,431.70 is: 1,277,095.97
Step by Step Solution
- Step 1: Write the proportion equation
1,689,350.98 : 2,331,304.77 = 925,431.70 : x - Step 2: Convert to fraction form
1,689,350.98/2,331,304.77 = 925,431.70/x - Step 3: Cross multiply
1,689,350.98x = 2,331,304.77 × 925,431.70 - Step 4: Simplify right side
1,689,350.98x = 2,157,463,336,519.21 - Step 5: Solve for x
x = 2,157,463,336,519.21/1,689,350.98 - Step 6: Final answer
x = 1,277,095.97
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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.