Finding the Fourth Proportional to 5,372,959.97, 7,414,620.12 and 2,925,570.26
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Solution
The fourth proportional to 5,372,959.97, 7,414,620.12 and 2,925,570.26 is: 4,037,251.76
Step by Step Solution
- Step 1: Write the proportion equation
5,372,959.97 : 7,414,620.12 = 2,925,570.26 : x - Step 2: Convert to fraction form
5,372,959.97/7,414,620.12 = 2,925,570.26/x - Step 3: Cross multiply
5,372,959.97x = 7,414,620.12 × 2,925,570.26 - Step 4: Simplify right side
5,372,959.97x = 21,691,992,075,196.53 - Step 5: Solve for x
x = 21,691,992,075,196.53/5,372,959.97 - Step 6: Final answer
x = 4,037,251.76
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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.