Finding the Fourth Proportional to 5,392,217.40, 8,092,918.80 and 2,199,634.80
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Solution
The fourth proportional to 5,392,217.40, 8,092,918.80 and 2,199,634.80 is: 3,301,325.69
Step by Step Solution
- Step 1: Write the proportion equation
5,392,217.40 : 8,092,918.80 = 2,199,634.80 : x - Step 2: Convert to fraction form
5,392,217.40/8,092,918.80 = 2,199,634.80/x - Step 3: Cross multiply
5,392,217.40x = 8,092,918.80 × 2,199,634.80 - Step 4: Simplify right side
5,392,217.40x = 17,801,465,826,054.24 - Step 5: Solve for x
x = 17,801,465,826,054.24/5,392,217.40 - Step 6: Final answer
x = 3,301,325.69
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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.