Finding the Fourth Proportional to 3,959,440.08, 5,464,027.29 and 2,148,604.08
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Solution
The fourth proportional to 3,959,440.08, 5,464,027.29 and 2,148,604.08 is: 2,965,073.62
Step by Step Solution
- Step 1: Write the proportion equation
3,959,440.08 : 5,464,027.29 = 2,148,604.08 : x - Step 2: Convert to fraction form
3,959,440.08/5,464,027.29 = 2,148,604.08/x - Step 3: Cross multiply
3,959,440.08x = 5,464,027.29 × 2,148,604.08 - Step 4: Simplify right side
3,959,440.08x = 11,740,031,328,525.34 - Step 5: Solve for x
x = 11,740,031,328,525.34/3,959,440.08 - Step 6: Final answer
x = 2,965,073.62
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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.