Finding the Fourth Proportional to 2,796,173.19, 3,858,682.32 and 1,572,478.31
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Solution
The fourth proportional to 2,796,173.19, 3,858,682.32 and 1,572,478.31 is: 2,169,999.44
Step by Step Solution
- Step 1: Write the proportion equation
2,796,173.19 : 3,858,682.32 = 1,572,478.31 : x - Step 2: Convert to fraction form
2,796,173.19/3,858,682.32 = 1,572,478.31/x - Step 3: Cross multiply
2,796,173.19x = 3,858,682.32 × 1,572,478.31 - Step 4: Simplify right side
2,796,173.19x = 6,067,694,263,027.19 - Step 5: Solve for x
x = 6,067,694,263,027.19/2,796,173.19 - Step 6: Final answer
x = 2,169,999.44
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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.