Finding the Fourth Proportional to 5,658,620.28, 7,808,896.96 and 3,080,320.42
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Solution
The fourth proportional to 5,658,620.28, 7,808,896.96 and 3,080,320.42 is: 4,250,842.71
Step by Step Solution
- Step 1: Write the proportion equation
5,658,620.28 : 7,808,896.96 = 3,080,320.42 : x - Step 2: Convert to fraction form
5,658,620.28/7,808,896.96 = 3,080,320.42/x - Step 3: Cross multiply
5,658,620.28x = 7,808,896.96 × 3,080,320.42 - Step 4: Simplify right side
5,658,620.28x = 24,053,904,763,563.92 - Step 5: Solve for x
x = 24,053,904,763,563.92/5,658,620.28 - Step 6: Final answer
x = 4,250,842.71
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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.