Finding the Fourth Proportional to 3,903,634.45, 5,386,372.81 and 2,452,302.08
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Solution
The fourth proportional to 3,903,634.45, 5,386,372.81 and 2,452,302.08 is: 3,383,773.09
Step by Step Solution
- Step 1: Write the proportion equation
3,903,634.45 : 5,386,372.81 = 2,452,302.08 : x - Step 2: Convert to fraction form
3,903,634.45/5,386,372.81 = 2,452,302.08/x - Step 3: Cross multiply
3,903,634.45x = 5,386,372.81 × 2,452,302.08 - Step 4: Simplify right side
3,903,634.45x = 13,209,013,212,555.83 - Step 5: Solve for x
x = 13,209,013,212,555.83/3,903,634.45 - Step 6: Final answer
x = 3,383,773.09
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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.