Finding the Fourth Proportional to 5,107,170.66, 7,047,762.39 and 2,784,109.02
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Solution
The fourth proportional to 5,107,170.66, 7,047,762.39 and 2,784,109.02 is: 3,841,997.88
Step by Step Solution
- Step 1: Write the proportion equation
5,107,170.66 : 7,047,762.39 = 2,784,109.02 : x - Step 2: Convert to fraction form
5,107,170.66/7,047,762.39 = 2,784,109.02/x - Step 3: Cross multiply
5,107,170.66x = 7,047,762.39 × 2,784,109.02 - Step 4: Simplify right side
5,107,170.66x = 19,621,738,840,815.76 - Step 5: Solve for x
x = 19,621,738,840,815.76/5,107,170.66 - Step 6: Final answer
x = 3,841,997.88
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.