Finding the Fourth Proportional to 3,869,112.20, 5,803,668.30 and 3,477,201.80
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Solution
The fourth proportional to 3,869,112.20, 5,803,668.30 and 3,477,201.80 is: 5,215,802.70
Step by Step Solution
- Step 1: Write the proportion equation
3,869,112.20 : 5,803,668.30 = 3,477,201.80 : x - Step 2: Convert to fraction form
3,869,112.20/5,803,668.30 = 3,477,201.80/x - Step 3: Cross multiply
3,869,112.20x = 5,803,668.30 × 3,477,201.80 - Step 4: Simplify right side
3,869,112.20x = 20,180,525,859,362.94 - Step 5: Solve for x
x = 20,180,525,859,362.94/3,869,112.20 - Step 6: Final answer
x = 5,215,802.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.