Finding the Fourth Proportional to 4,678,704.80, 6,457,171.92 and 2,843,462
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Solution
The fourth proportional to 4,678,704.80, 6,457,171.92 and 2,843,462 is: 3,924,317.47
Step by Step Solution
- Step 1: Write the proportion equation
4,678,704.80 : 6,457,171.92 = 2,843,462 : x - Step 2: Convert to fraction form
4,678,704.80/6,457,171.92 = 2,843,462/x - Step 3: Cross multiply
4,678,704.80x = 6,457,171.92 × 2,843,462 - Step 4: Simplify right side
4,678,704.80x = 18,360,722,981,987.04 - Step 5: Solve for x
x = 18,360,722,981,987.04/4,678,704.80 - Step 6: Final answer
x = 3,924,317.47
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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.