Finding the Fourth Proportional to 3,381,890, 4,667,506.76 and 2,141,613.48
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Solution
The fourth proportional to 3,381,890, 4,667,506.76 and 2,141,613.48 is: 2,955,742.32
Step by Step Solution
- Step 1: Write the proportion equation
3,381,890 : 4,667,506.76 = 2,141,613.48 : x - Step 2: Convert to fraction form
3,381,890/4,667,506.76 = 2,141,613.48/x - Step 3: Cross multiply
3,381,890x = 4,667,506.76 × 2,141,613.48 - Step 4: Simplify right side
3,381,890x = 9,995,995,395,207.13 - Step 5: Solve for x
x = 9,995,995,395,207.13/3,381,890 - Step 6: Final answer
x = 2,955,742.32
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1.5x scale
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.