Finding the Fourth Proportional to 4,149,789.51, 5,726,698.21 and 2,314,249.75
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Solution
The fourth proportional to 4,149,789.51, 5,726,698.21 and 2,314,249.75 is: 3,193,658.35
Step by Step Solution
- Step 1: Write the proportion equation
4,149,789.51 : 5,726,698.21 = 2,314,249.75 : x - Step 2: Convert to fraction form
4,149,789.51/5,726,698.21 = 2,314,249.75/x - Step 3: Cross multiply
4,149,789.51x = 5,726,698.21 × 2,314,249.75 - Step 4: Simplify right side
4,149,789.51x = 13,253,009,900,817.95 - Step 5: Solve for x
x = 13,253,009,900,817.95/4,149,789.51 - Step 6: Final answer
x = 3,193,658.35
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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.