Finding the Fourth Proportional to 4,798,226.97, 6,620,486.40 and 2,761,036.47
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Solution
The fourth proportional to 4,798,226.97, 6,620,486.40 and 2,761,036.47 is: 3,809,616.45
Step by Step Solution
- Step 1: Write the proportion equation
4,798,226.97 : 6,620,486.40 = 2,761,036.47 : x - Step 2: Convert to fraction form
4,798,226.97/6,620,486.40 = 2,761,036.47/x - Step 3: Cross multiply
4,798,226.97x = 6,620,486.40 × 2,761,036.47 - Step 4: Simplify right side
4,798,226.97x = 18,279,404,399,539.01 - Step 5: Solve for x
x = 18,279,404,399,539.01/4,798,226.97 - Step 6: Final answer
x = 3,809,616.45
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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.