Finding the Fourth Proportional to 5,079,599.58, 7,009,622.55 and 2,787,764.70
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Solution
The fourth proportional to 5,079,599.58, 7,009,622.55 and 2,787,764.70 is: 3,846,991.87
Step by Step Solution
- Step 1: Write the proportion equation
5,079,599.58 : 7,009,622.55 = 2,787,764.70 : x - Step 2: Convert to fraction form
5,079,599.58/7,009,622.55 = 2,787,764.70/x - Step 3: Cross multiply
5,079,599.58x = 7,009,622.55 × 2,787,764.70 - Step 4: Simplify right side
5,079,599.58x = 19,541,178,305,213.98 - Step 5: Solve for x
x = 19,541,178,305,213.98/5,079,599.58 - Step 6: Final answer
x = 3,846,991.87
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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.