Finding the Fourth Proportional to 2,621,121.80, 3,931,682.70 and 848,193.80
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Solution
The fourth proportional to 2,621,121.80, 3,931,682.70 and 848,193.80 is: 1,272,290.70
Step by Step Solution
- Step 1: Write the proportion equation
2,621,121.80 : 3,931,682.70 = 848,193.80 : x - Step 2: Convert to fraction form
2,621,121.80/3,931,682.70 = 848,193.80/x - Step 3: Cross multiply
2,621,121.80x = 3,931,682.70 × 848,193.80 - Step 4: Simplify right side
2,621,121.80x = 3,334,828,889,707.26 - Step 5: Solve for x
x = 3,334,828,889,707.26/2,621,121.80 - Step 6: Final answer
x = 1,272,290.70
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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.