Finding the Fourth Proportional to 3,918,694.24, 5,407,811.30 and 2,176,367.84
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Solution
The fourth proportional to 3,918,694.24, 5,407,811.30 and 2,176,367.84 is: 3,003,394.98
Step by Step Solution
- Step 1: Write the proportion equation
3,918,694.24 : 5,407,811.30 = 2,176,367.84 : x - Step 2: Convert to fraction form
3,918,694.24/5,407,811.30 = 2,176,367.84/x - Step 3: Cross multiply
3,918,694.24x = 5,407,811.30 × 2,176,367.84 - Step 4: Simplify right side
3,918,694.24x = 11,769,386,596,789.75 - Step 5: Solve for x
x = 11,769,386,596,789.75/3,918,694.24 - Step 6: Final answer
x = 3,003,394.98
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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.