Finding the Fourth Proportional to 1,936,472.70, 2,672,145.36 and 1,120,513.98
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Solution
The fourth proportional to 1,936,472.70, 2,672,145.36 and 1,120,513.98 is: 1,546,201.11
Step by Step Solution
- Step 1: Write the proportion equation
1,936,472.70 : 2,672,145.36 = 1,120,513.98 : x - Step 2: Convert to fraction form
1,936,472.70/2,672,145.36 = 1,120,513.98/x - Step 3: Cross multiply
1,936,472.70x = 2,672,145.36 × 1,120,513.98 - Step 4: Simplify right side
1,936,472.70x = 2,994,176,232,472.13 - Step 5: Solve for x
x = 2,994,176,232,472.13/1,936,472.70 - Step 6: Final answer
x = 1,546,201.11
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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.