Finding the Fourth Proportional to 1,914,325.44, 2,641,786.82 and 1,054,916.45
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Solution
The fourth proportional to 1,914,325.44, 2,641,786.82 and 1,054,916.45 is: 1,455,794.46
Step by Step Solution
- Step 1: Write the proportion equation
1,914,325.44 : 2,641,786.82 = 1,054,916.45 : x - Step 2: Convert to fraction form
1,914,325.44/2,641,786.82 = 1,054,916.45/x - Step 3: Cross multiply
1,914,325.44x = 2,641,786.82 × 1,054,916.45 - Step 4: Simplify right side
1,914,325.44x = 2,786,864,373,811.19 - Step 5: Solve for x
x = 2,786,864,373,811.19/1,914,325.44 - Step 6: Final answer
x = 1,455,794.46
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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.