Finding the Fourth Proportional to 1,936,124.48, 2,671,469.16 and 1,172,249.12
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Solution
The fourth proportional to 1,936,124.48, 2,671,469.16 and 1,172,249.12 is: 1,617,472.12
Step by Step Solution
- Step 1: Write the proportion equation
1,936,124.48 : 2,671,469.16 = 1,172,249.12 : x - Step 2: Convert to fraction form
1,936,124.48/2,671,469.16 = 1,172,249.12/x - Step 3: Cross multiply
1,936,124.48x = 2,671,469.16 × 1,172,249.12 - Step 4: Simplify right side
1,936,124.48x = 3,131,627,371,917.14 - Step 5: Solve for x
x = 3,131,627,371,917.14/1,936,124.48 - Step 6: Final answer
x = 1,617,472.12
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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.