Finding the Fourth Proportional to 2,450,357.93, 3,380,998.42 and 1,431,565.85
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Solution
The fourth proportional to 2,450,357.93, 3,380,998.42 and 1,431,565.85 is: 1,975,271.38
Step by Step Solution
- Step 1: Write the proportion equation
2,450,357.93 : 3,380,998.42 = 1,431,565.85 : x - Step 2: Convert to fraction form
2,450,357.93/3,380,998.42 = 1,431,565.85/x - Step 3: Cross multiply
2,450,357.93x = 3,380,998.42 × 1,431,565.85 - Step 4: Simplify right side
2,450,357.93x = 4,840,121,887,217.91 - Step 5: Solve for x
x = 4,840,121,887,217.91/2,450,357.93 - Step 6: Final answer
x = 1,975,271.38
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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.