Finding the Fourth Proportional to 4,127,479.94, 5,686,549.64 and 3,193,977.44
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Solution
The fourth proportional to 4,127,479.94, 5,686,549.64 and 3,193,977.44 is: 4,400,435.99
Step by Step Solution
- Step 1: Write the proportion equation
4,127,479.94 : 5,686,549.64 = 3,193,977.44 : x - Step 2: Convert to fraction form
4,127,479.94/5,686,549.64 = 3,193,977.44/x - Step 3: Cross multiply
4,127,479.94x = 5,686,549.64 × 3,193,977.44 - Step 4: Simplify right side
4,127,479.94x = 18,162,711,261,600.12 - Step 5: Solve for x
x = 18,162,711,261,600.12/4,127,479.94 - Step 6: Final answer
x = 4,400,435.99
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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.