Finding the Fourth Proportional to 3,212,511.15, 4,820,238.27 and 1,391,433.09
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Solution
The fourth proportional to 3,212,511.15, 4,820,238.27 and 1,391,433.09 is: 2,087,787.00
Step by Step Solution
- Step 1: Write the proportion equation
3,212,511.15 : 4,820,238.27 = 1,391,433.09 : x - Step 2: Convert to fraction form
3,212,511.15/4,820,238.27 = 1,391,433.09/x - Step 3: Cross multiply
3,212,511.15x = 4,820,238.27 × 1,391,433.09 - Step 4: Simplify right side
3,212,511.15x = 6,707,039,030,562.36 - Step 5: Solve for x
x = 6,707,039,030,562.36/3,212,511.15 - Step 6: Final answer
x = 2,087,787.00
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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.