Finding the Fourth Proportional to 3,460,046.72, 5,190,211.48 and 1,187,134.08
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Solution
The fourth proportional to 3,460,046.72, 5,190,211.48 and 1,187,134.08 is: 1,780,749.63
Step by Step Solution
- Step 1: Write the proportion equation
3,460,046.72 : 5,190,211.48 = 1,187,134.08 : x - Step 2: Convert to fraction form
3,460,046.72/5,190,211.48 = 1,187,134.08/x - Step 3: Cross multiply
3,460,046.72x = 5,190,211.48 × 1,187,134.08 - Step 4: Simplify right side
3,460,046.72x = 6,161,476,930,315.24 - Step 5: Solve for x
x = 6,161,476,930,315.24/3,460,046.72 - Step 6: Final answer
x = 1,780,749.63
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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.