Finding the Fourth Proportional to 5,080,978.24, 7,011,722.36 and 2,789,177.92
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Solution
The fourth proportional to 5,080,978.24, 7,011,722.36 and 2,789,177.92 is: 3,849,050.37
Step by Step Solution
- Step 1: Write the proportion equation
5,080,978.24 : 7,011,722.36 = 2,789,177.92 : x - Step 2: Convert to fraction form
5,080,978.24/7,011,722.36 = 2,789,177.92/x - Step 3: Cross multiply
5,080,978.24x = 7,011,722.36 × 2,789,177.92 - Step 4: Simplify right side
5,080,978.24x = 19,556,941,187,682.29 - Step 5: Solve for x
x = 19,556,941,187,682.29/5,080,978.24 - Step 6: Final answer
x = 3,849,050.37
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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.