Finding the Fourth Proportional to 2,321,773.16, 3,203,939.12 and 1,289,346.41
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Solution
The fourth proportional to 2,321,773.16, 3,203,939.12 and 1,289,346.41 is: 1,779,238.15
Step by Step Solution
- Step 1: Write the proportion equation
2,321,773.16 : 3,203,939.12 = 1,289,346.41 : x - Step 2: Convert to fraction form
2,321,773.16/3,203,939.12 = 1,289,346.41/x - Step 3: Cross multiply
2,321,773.16x = 3,203,939.12 × 1,289,346.41 - Step 4: Simplify right side
2,321,773.16x = 4,130,987,379,764.13 - Step 5: Solve for x
x = 4,130,987,379,764.13/2,321,773.16 - Step 6: Final answer
x = 1,779,238.15
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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.