Finding the Fourth Proportional to 3,917,357.40, 5,873,674.14 and 1,789,231.44
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Solution
The fourth proportional to 3,917,357.40, 5,873,674.14 and 1,789,231.44 is: 2,682,768.35
Step by Step Solution
- Step 1: Write the proportion equation
3,917,357.40 : 5,873,674.14 = 1,789,231.44 : x - Step 2: Convert to fraction form
3,917,357.40/5,873,674.14 = 1,789,231.44/x - Step 3: Cross multiply
3,917,357.40x = 5,873,674.14 × 1,789,231.44 - Step 4: Simplify right side
3,917,357.40x = 10,509,362,439,602.96 - Step 5: Solve for x
x = 10,509,362,439,602.96/3,917,357.40 - Step 6: Final answer
x = 2,682,768.35
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.