Finding the Fourth Proportional to 5,611,111.44, 8,416,917.62 and 1,720,288.68
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Solution
The fourth proportional to 5,611,111.44, 8,416,917.62 and 1,720,288.68 is: 2,580,509.81
Step by Step Solution
- Step 1: Write the proportion equation
5,611,111.44 : 8,416,917.62 = 1,720,288.68 : x - Step 2: Convert to fraction form
5,611,111.44/8,416,917.62 = 1,720,288.68/x - Step 3: Cross multiply
5,611,111.44x = 8,416,917.62 × 1,720,288.68 - Step 4: Simplify right side
5,611,111.44x = 14,479,528,102,178.54 - Step 5: Solve for x
x = 14,479,528,102,178.54/5,611,111.44 - Step 6: Final answer
x = 2,580,509.81
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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.