Finding the Fourth Proportional to 2,130,247.60, 3,193,816.20 and 867,425.20
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Solution
The fourth proportional to 2,130,247.60, 3,193,816.20 and 867,425.20 is: 1,300,504.53
Step by Step Solution
- Step 1: Write the proportion equation
2,130,247.60 : 3,193,816.20 = 867,425.20 : x - Step 2: Convert to fraction form
2,130,247.60/3,193,816.20 = 867,425.20/x - Step 3: Cross multiply
2,130,247.60x = 3,193,816.20 × 867,425.20 - Step 4: Simplify right side
2,130,247.60x = 2,770,396,656,048.24 - Step 5: Solve for x
x = 2,770,396,656,048.24/2,130,247.60 - Step 6: Final answer
x = 1,300,504.53
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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.