Finding the Fourth Proportional to 3,376,992.60, 4,660,163.99 and 1,886,856.46
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Solution
The fourth proportional to 3,376,992.60, 4,660,163.99 and 1,886,856.46 is: 2,603,813.97
Step by Step Solution
- Step 1: Write the proportion equation
3,376,992.60 : 4,660,163.99 = 1,886,856.46 : x - Step 2: Convert to fraction form
3,376,992.60/4,660,163.99 = 1,886,856.46/x - Step 3: Cross multiply
3,376,992.60x = 4,660,163.99 × 1,886,856.46 - Step 4: Simplify right side
3,376,992.60x = 8,793,060,515,181.90 - Step 5: Solve for x
x = 8,793,060,515,181.90/3,376,992.60 - Step 6: Final answer
x = 2,603,813.97
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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.