Finding the Fourth Proportional to 5,578,778.56, 8,364,916.33 and 2,163,074.75
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Solution
The fourth proportional to 5,578,778.56, 8,364,916.33 and 2,163,074.75 is: 3,243,351.41
Step by Step Solution
- Step 1: Write the proportion equation
5,578,778.56 : 8,364,916.33 = 2,163,074.75 : x - Step 2: Convert to fraction form
5,578,778.56/8,364,916.33 = 2,163,074.75/x - Step 3: Cross multiply
5,578,778.56x = 8,364,916.33 × 2,163,074.75 - Step 4: Simplify right side
5,578,778.56x = 18,093,939,299,285.67 - Step 5: Solve for x
x = 18,093,939,299,285.67/5,578,778.56 - Step 6: Final answer
x = 3,243,351.41
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.