Finding the Fourth Proportional to 1,876,593.62, 2,589,636.20 and 1,112,193.38
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Solution
The fourth proportional to 1,876,593.62, 2,589,636.20 and 1,112,193.38 is: 1,534,789.53
Step by Step Solution
- Step 1: Write the proportion equation
1,876,593.62 : 2,589,636.20 = 1,112,193.38 : x - Step 2: Convert to fraction form
1,876,593.62/2,589,636.20 = 1,112,193.38/x - Step 3: Cross multiply
1,876,593.62x = 2,589,636.20 × 1,112,193.38 - Step 4: Simplify right side
1,876,593.62x = 2,880,176,238,248.36 - Step 5: Solve for x
x = 2,880,176,238,248.36/1,876,593.62 - Step 6: Final answer
x = 1,534,789.53
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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.