Finding the Fourth Proportional to 2,110,545, 2,911,450.32 and 1,294,930.62
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Solution
The fourth proportional to 2,110,545, 2,911,450.32 and 1,294,930.62 is: 1,786,328.26
Step by Step Solution
- Step 1: Write the proportion equation
2,110,545 : 2,911,450.32 = 1,294,930.62 : x - Step 2: Convert to fraction form
2,110,545/2,911,450.32 = 1,294,930.62/x - Step 3: Cross multiply
2,110,545x = 2,911,450.32 × 1,294,930.62 - Step 4: Simplify right side
2,110,545x = 3,770,126,167,976.80 - Step 5: Solve for x
x = 3,770,126,167,976.80/2,110,545 - Step 6: Final answer
x = 1,786,328.26
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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.