Finding the Fourth Proportional to 3,201,947.82, 4,418,722.86 and 1,751,612.12
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Solution
The fourth proportional to 3,201,947.82, 4,418,722.86 and 1,751,612.12 is: 2,417,243.79
Step by Step Solution
- Step 1: Write the proportion equation
3,201,947.82 : 4,418,722.86 = 1,751,612.12 : x - Step 2: Convert to fraction form
3,201,947.82/4,418,722.86 = 1,751,612.12/x - Step 3: Cross multiply
3,201,947.82x = 4,418,722.86 × 1,751,612.12 - Step 4: Simplify right side
3,201,947.82x = 7,739,888,494,403.45 - Step 5: Solve for x
x = 7,739,888,494,403.45/3,201,947.82 - Step 6: Final answer
x = 2,417,243.79
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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.