Finding the Fourth Proportional to 5,197,039.56, 7,796,887.74 and 2,163,396.78
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Solution
The fourth proportional to 5,197,039.56, 7,796,887.74 and 2,163,396.78 is: 3,245,648.15
Step by Step Solution
- Step 1: Write the proportion equation
5,197,039.56 : 7,796,887.74 = 2,163,396.78 : x - Step 2: Convert to fraction form
5,197,039.56/7,796,887.74 = 2,163,396.78/x - Step 3: Cross multiply
5,197,039.56x = 7,796,887.74 × 2,163,396.78 - Step 4: Simplify right side
5,197,039.56x = 16,867,761,830,737.48 - Step 5: Solve for x
x = 16,867,761,830,737.48/5,197,039.56 - Step 6: Final answer
x = 3,245,648.15
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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.