Finding the Fourth Proportional to 5,548,810.20, 8,321,487.30 and 2,184,048.60
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Solution
The fourth proportional to 5,548,810.20, 8,321,487.30 and 2,184,048.60 is: 3,275,392.75
Step by Step Solution
- Step 1: Write the proportion equation
5,548,810.20 : 8,321,487.30 = 2,184,048.60 : x - Step 2: Convert to fraction form
5,548,810.20/8,321,487.30 = 2,184,048.60/x - Step 3: Cross multiply
5,548,810.20x = 8,321,487.30 × 2,184,048.60 - Step 4: Simplify right side
5,548,810.20x = 18,174,532,687,482.78 - Step 5: Solve for x
x = 18,174,532,687,482.78/5,548,810.20 - Step 6: Final answer
x = 3,275,392.75
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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.