Finding the Fourth Proportional to 2,047,331.36, 2,825,327.16 and 1,129,560.44
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Solution
The fourth proportional to 2,047,331.36, 2,825,327.16 and 1,129,560.44 is: 1,558,798.86
Step by Step Solution
- Step 1: Write the proportion equation
2,047,331.36 : 2,825,327.16 = 1,129,560.44 : x - Step 2: Convert to fraction form
2,047,331.36/2,825,327.16 = 1,129,560.44/x - Step 3: Cross multiply
2,047,331.36x = 2,825,327.16 × 1,129,560.44 - Step 4: Simplify right side
2,047,331.36x = 3,191,377,789,993.55 - Step 5: Solve for x
x = 3,191,377,789,993.55/2,047,331.36 - Step 6: Final answer
x = 1,558,798.86
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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.