Finding the Fourth Proportional to 2,009,747.20, 3,011,121.60 and 1,299,409.60
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Solution
The fourth proportional to 2,009,747.20, 3,011,121.60 and 1,299,409.60 is: 1,946,851.98
Step by Step Solution
- Step 1: Write the proportion equation
2,009,747.20 : 3,011,121.60 = 1,299,409.60 : x - Step 2: Convert to fraction form
2,009,747.20/3,011,121.60 = 1,299,409.60/x - Step 3: Cross multiply
2,009,747.20x = 3,011,121.60 × 1,299,409.60 - Step 4: Simplify right side
2,009,747.20x = 3,912,680,313,807.36 - Step 5: Solve for x
x = 3,912,680,313,807.36/2,009,747.20 - Step 6: Final answer
x = 1,946,851.98
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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.