Finding the Fourth Proportional to 2,752,134.87, 3,798,072.41 and 1,528,446.09
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Solution
The fourth proportional to 2,752,134.87, 3,798,072.41 and 1,528,446.09 is: 2,109,325.74
Step by Step Solution
- Step 1: Write the proportion equation
2,752,134.87 : 3,798,072.41 = 1,528,446.09 : x - Step 2: Convert to fraction form
2,752,134.87/3,798,072.41 = 1,528,446.09/x - Step 3: Cross multiply
2,752,134.87x = 3,798,072.41 × 1,528,446.09 - Step 4: Simplify right side
2,752,134.87x = 5,805,148,916,959.15 - Step 5: Solve for x
x = 5,805,148,916,959.15/2,752,134.87 - Step 6: Final answer
x = 2,109,325.74
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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.