Finding the Fourth Proportional to 3,291,462.39, 4,540,231.94 and 2,173,858.01
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Solution
The fourth proportional to 3,291,462.39, 4,540,231.94 and 2,173,858.01 is: 2,998,612.28
Step by Step Solution
- Step 1: Write the proportion equation
3,291,462.39 : 4,540,231.94 = 2,173,858.01 : x - Step 2: Convert to fraction form
3,291,462.39/4,540,231.94 = 2,173,858.01/x - Step 3: Cross multiply
3,291,462.39x = 4,540,231.94 × 2,173,858.01 - Step 4: Simplify right side
3,291,462.39x = 9,869,819,565,710.21 - Step 5: Solve for x
x = 9,869,819,565,710.21/3,291,462.39 - Step 6: Final answer
x = 2,998,612.28
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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.