Finding the Fourth Proportional to 5,621,198.94, 8,434,916.16 and 2,742,589.41
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Solution
The fourth proportional to 5,621,198.94, 8,434,916.16 and 2,742,589.41 is: 4,115,405.27
Step by Step Solution
- Step 1: Write the proportion equation
5,621,198.94 : 8,434,916.16 = 2,742,589.41 : x - Step 2: Convert to fraction form
5,621,198.94/8,434,916.16 = 2,742,589.41/x - Step 3: Cross multiply
5,621,198.94x = 8,434,916.16 × 2,742,589.41 - Step 4: Simplify right side
5,621,198.94x = 23,133,511,734,653.87 - Step 5: Solve for x
x = 23,133,511,734,653.87/5,621,198.94 - Step 6: Final answer
x = 4,115,405.27
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1.5x scale
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.