Finding the Fourth Proportional to 3,845,439.48, 5,305,103.64 and 2,213,456.34
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Solution
The fourth proportional to 3,845,439.48, 5,305,103.64 and 2,213,456.34 is: 3,053,647.14
Step by Step Solution
- Step 1: Write the proportion equation
3,845,439.48 : 5,305,103.64 = 2,213,456.34 : x - Step 2: Convert to fraction form
3,845,439.48/5,305,103.64 = 2,213,456.34/x - Step 3: Cross multiply
3,845,439.48x = 5,305,103.64 × 2,213,456.34 - Step 4: Simplify right side
3,845,439.48x = 11,742,615,286,315.08 - Step 5: Solve for x
x = 11,742,615,286,315.08/3,845,439.48 - Step 6: Final answer
x = 3,053,647.14
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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.