Finding the Fourth Proportional to 5,632,029.20, 8,448,043.80 and 1,643,344.40
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Solution
The fourth proportional to 5,632,029.20, 8,448,043.80 and 1,643,344.40 is: 2,465,016.60
Step by Step Solution
- Step 1: Write the proportion equation
5,632,029.20 : 8,448,043.80 = 1,643,344.40 : x - Step 2: Convert to fraction form
5,632,029.20/8,448,043.80 = 1,643,344.40/x - Step 3: Cross multiply
5,632,029.20x = 8,448,043.80 × 1,643,344.40 - Step 4: Simplify right side
5,632,029.20x = 13,883,045,469,684.72 - Step 5: Solve for x
x = 13,883,045,469,684.72/5,632,029.20 - Step 6: Final answer
x = 2,465,016.60
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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.