Finding the Fourth Proportional to 5,119,771.24, 7,064,678.80 and 2,827,795.24
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Solution
The fourth proportional to 5,119,771.24, 7,064,678.80 and 2,827,795.24 is: 3,902,022.99
Step by Step Solution
- Step 1: Write the proportion equation
5,119,771.24 : 7,064,678.80 = 2,827,795.24 : x - Step 2: Convert to fraction form
5,119,771.24/7,064,678.80 = 2,827,795.24/x - Step 3: Cross multiply
5,119,771.24x = 7,064,678.80 × 2,827,795.24 - Step 4: Simplify right side
5,119,771.24x = 19,977,465,082,768.91 - Step 5: Solve for x
x = 19,977,465,082,768.91/5,119,771.24 - Step 6: Final answer
x = 3,902,022.99
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1.5x scale
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.