Finding the Fourth Proportional to 5,555,764.20, 8,334,107.10 and 1,769,140.20
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Solution
The fourth proportional to 5,555,764.20, 8,334,107.10 and 1,769,140.20 is: 2,653,857.03
Step by Step Solution
- Step 1: Write the proportion equation
5,555,764.20 : 8,334,107.10 = 1,769,140.20 : x - Step 2: Convert to fraction form
5,555,764.20/8,334,107.10 = 1,769,140.20/x - Step 3: Cross multiply
5,555,764.20x = 8,334,107.10 × 1,769,140.20 - Step 4: Simplify right side
5,555,764.20x = 14,744,203,901,715.42 - Step 5: Solve for x
x = 14,744,203,901,715.42/5,555,764.20 - Step 6: Final answer
x = 2,653,857.03
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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.