Finding the Fourth Proportional to 5,065,876.44, 6,990,912.45 and 2,774,037.15
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Solution
The fourth proportional to 5,065,876.44, 6,990,912.45 and 2,774,037.15 is: 3,828,172.89
Step by Step Solution
- Step 1: Write the proportion equation
5,065,876.44 : 6,990,912.45 = 2,774,037.15 : x - Step 2: Convert to fraction form
5,065,876.44/6,990,912.45 = 2,774,037.15/x - Step 3: Cross multiply
5,065,876.44x = 6,990,912.45 × 2,774,037.15 - Step 4: Simplify right side
5,065,876.44x = 19,393,050,848,697.52 - Step 5: Solve for x
x = 19,393,050,848,697.52/5,065,876.44 - Step 6: Final answer
x = 3,828,172.89
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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.