Finding the Fourth Proportional to 2,201,496.70, 3,302,245.05 and 781,696.30
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Solution
The fourth proportional to 2,201,496.70, 3,302,245.05 and 781,696.30 is: 1,172,544.45
Step by Step Solution
- Step 1: Write the proportion equation
2,201,496.70 : 3,302,245.05 = 781,696.30 : x - Step 2: Convert to fraction form
2,201,496.70/3,302,245.05 = 781,696.30/x - Step 3: Cross multiply
2,201,496.70x = 3,302,245.05 × 781,696.30 - Step 4: Simplify right side
2,201,496.70x = 2,581,352,737,278.32 - Step 5: Solve for x
x = 2,581,352,737,278.32/2,201,496.70 - Step 6: Final answer
x = 1,172,544.45
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1.5x scale
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.