Finding the Fourth Proportional to 3,026,890.50, 4,177,137.21 and 1,668,812.10
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Solution
The fourth proportional to 3,026,890.50, 4,177,137.21 and 1,668,812.10 is: 2,302,976.31
Step by Step Solution
- Step 1: Write the proportion equation
3,026,890.50 : 4,177,137.21 = 1,668,812.10 : x - Step 2: Convert to fraction form
3,026,890.50/4,177,137.21 = 1,668,812.10/x - Step 3: Cross multiply
3,026,890.50x = 4,177,137.21 × 1,668,812.10 - Step 4: Simplify right side
3,026,890.50x = 6,970,857,119,408.24 - Step 5: Solve for x
x = 6,970,857,119,408.24/3,026,890.50 - Step 6: Final answer
x = 2,302,976.31
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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.