Finding the Fourth Proportional to 3,454,669.09, 5,182,667.84 and 1,324,587.09
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Solution
The fourth proportional to 3,454,669.09, 5,182,667.84 and 1,324,587.09 is: 1,987,135.30
Step by Step Solution
- Step 1: Write the proportion equation
3,454,669.09 : 5,182,667.84 = 1,324,587.09 : x - Step 2: Convert to fraction form
3,454,669.09/5,182,667.84 = 1,324,587.09/x - Step 3: Cross multiply
3,454,669.09x = 5,182,667.84 × 1,324,587.09 - Step 4: Simplify right side
3,454,669.09x = 6,864,894,912,622.19 - Step 5: Solve for x
x = 6,864,894,912,622.19/3,454,669.09 - Step 6: Final answer
x = 1,987,135.30
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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.