Finding the Fourth Proportional to 3,144,462.30, 4,339,511.79 and 1,768,239.09
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Solution
The fourth proportional to 3,144,462.30, 4,339,511.79 and 1,768,239.09 is: 2,440,256.44
Step by Step Solution
- Step 1: Write the proportion equation
3,144,462.30 : 4,339,511.79 = 1,768,239.09 : x - Step 2: Convert to fraction form
3,144,462.30/4,339,511.79 = 1,768,239.09/x - Step 3: Cross multiply
3,144,462.30x = 4,339,511.79 × 1,768,239.09 - Step 4: Simplify right side
3,144,462.30x = 7,673,294,378,593.87 - Step 5: Solve for x
x = 7,673,294,378,593.87/3,144,462.30 - Step 6: Final answer
x = 2,440,256.44
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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.