Finding the Fourth Proportional to 4,993,745.58, 6,891,392.52 and 2,818,380.42
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Solution
The fourth proportional to 4,993,745.58, 6,891,392.52 and 2,818,380.42 is: 3,889,378.31
Step by Step Solution
- Step 1: Write the proportion equation
4,993,745.58 : 6,891,392.52 = 2,818,380.42 : x - Step 2: Convert to fraction form
4,993,745.58/6,891,392.52 = 2,818,380.42/x - Step 3: Cross multiply
4,993,745.58x = 6,891,392.52 × 2,818,380.42 - Step 4: Simplify right side
4,993,745.58x = 19,422,565,744,902.46 - Step 5: Solve for x
x = 19,422,565,744,902.46/4,993,745.58 - Step 6: Final answer
x = 3,889,378.31
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1.5x scale
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.