Finding the Fourth Proportional to 4,269,331.56, 6,406,101.52 and 1,995,012.96
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Solution
The fourth proportional to 4,269,331.56, 6,406,101.52 and 1,995,012.96 is: 2,993,502.70
Step by Step Solution
- Step 1: Write the proportion equation
4,269,331.56 : 6,406,101.52 = 1,995,012.96 : x - Step 2: Convert to fraction form
4,269,331.56/6,406,101.52 = 1,995,012.96/x - Step 3: Cross multiply
4,269,331.56x = 6,406,101.52 × 1,995,012.96 - Step 4: Simplify right side
4,269,331.56x = 12,780,255,555,475.70 - Step 5: Solve for x
x = 12,780,255,555,475.70/4,269,331.56 - Step 6: Final answer
x = 2,993,502.70
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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.