Finding the Fourth Proportional to 5,885,832.20, 8,828,748.30 and 5,555,157.80
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Solution
The fourth proportional to 5,885,832.20, 8,828,748.30 and 5,555,157.80 is: 8,332,736.70
Step by Step Solution
- Step 1: Write the proportion equation
5,885,832.20 : 8,828,748.30 = 5,555,157.80 : x - Step 2: Convert to fraction form
5,885,832.20/8,828,748.30 = 5,555,157.80/x - Step 3: Cross multiply
5,885,832.20x = 8,828,748.30 × 5,555,157.80 - Step 4: Simplify right side
5,885,832.20x = 49,045,089,982,981.74 - Step 5: Solve for x
x = 49,045,089,982,981.74/5,885,832.20 - Step 6: Final answer
x = 8,332,736.70
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.