Finding the Fourth Proportional to 3,173,749.96, 4,379,810.58 and 1,723,462.60
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Solution
The fourth proportional to 3,173,749.96, 4,379,810.58 and 1,723,462.60 is: 2,378,397.74
Step by Step Solution
- Step 1: Write the proportion equation
3,173,749.96 : 4,379,810.58 = 1,723,462.60 : x - Step 2: Convert to fraction form
3,173,749.96/4,379,810.58 = 1,723,462.60/x - Step 3: Cross multiply
3,173,749.96x = 4,379,810.58 × 1,723,462.60 - Step 4: Simplify right side
3,173,749.96x = 7,548,439,729,714.31 - Step 5: Solve for x
x = 7,548,439,729,714.31/3,173,749.96 - Step 6: Final answer
x = 2,378,397.74
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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.