Finding the Fourth Proportional to 1,625,745.15, 2,440,130.82 and 827,624.19
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Solution
The fourth proportional to 1,625,745.15, 2,440,130.82 and 827,624.19 is: 1,242,206.56
Step by Step Solution
- Step 1: Write the proportion equation
1,625,745.15 : 2,440,130.82 = 827,624.19 : x - Step 2: Convert to fraction form
1,625,745.15/2,440,130.82 = 827,624.19/x - Step 3: Cross multiply
1,625,745.15x = 2,440,130.82 × 827,624.19 - Step 4: Simplify right side
1,625,745.15x = 2,019,511,293,396.54 - Step 5: Solve for x
x = 2,019,511,293,396.54/1,625,745.15 - Step 6: Final answer
x = 1,242,206.56
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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.