Finding the Fourth Proportional to 2,736,601.20, 4,104,901.80 and 2,106,745.20
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Solution
The fourth proportional to 2,736,601.20, 4,104,901.80 and 2,106,745.20 is: 3,160,117.80
Step by Step Solution
- Step 1: Write the proportion equation
2,736,601.20 : 4,104,901.80 = 2,106,745.20 : x - Step 2: Convert to fraction form
2,736,601.20/4,104,901.80 = 2,106,745.20/x - Step 3: Cross multiply
2,736,601.20x = 4,104,901.80 × 2,106,745.20 - Step 4: Simplify right side
2,736,601.20x = 8,647,982,163,621.36 - Step 5: Solve for x
x = 8,647,982,163,621.36/2,736,601.20 - Step 6: Final answer
x = 3,160,117.80
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1.5x scale
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.