Finding the Fourth Proportional to 2,018,236.10, 2,782,271.86 and 1,587,768.62
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Solution
The fourth proportional to 2,018,236.10, 2,782,271.86 and 1,587,768.62 is: 2,188,843.98
Step by Step Solution
- Step 1: Write the proportion equation
2,018,236.10 : 2,782,271.86 = 1,587,768.62 : x - Step 2: Convert to fraction form
2,018,236.10/2,782,271.86 = 1,587,768.62/x - Step 3: Cross multiply
2,018,236.10x = 2,782,271.86 × 1,587,768.62 - Step 4: Simplify right side
2,018,236.10x = 4,417,603,933,736.25 - Step 5: Solve for x
x = 4,417,603,933,736.25/2,018,236.10 - Step 6: Final answer
x = 2,188,843.98
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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.