Finding the Fourth Proportional to 2,891,438.13, 4,337,125.86 and 1,185,201.09
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Solution
The fourth proportional to 2,891,438.13, 4,337,125.86 and 1,185,201.09 is: 1,777,788.79
Step by Step Solution
- Step 1: Write the proportion equation
2,891,438.13 : 4,337,125.86 = 1,185,201.09 : x - Step 2: Convert to fraction form
2,891,438.13/4,337,125.86 = 1,185,201.09/x - Step 3: Cross multiply
2,891,438.13x = 4,337,125.86 × 1,185,201.09 - Step 4: Simplify right side
2,891,438.13x = 5,140,366,296,739.19 - Step 5: Solve for x
x = 5,140,366,296,739.19/2,891,438.13 - Step 6: Final answer
x = 1,777,788.79
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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.