Finding the Fourth Proportional to 1,407,029.33, 2,100,355.84 and 1,236,778.67
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Solution
The fourth proportional to 1,407,029.33, 2,100,355.84 and 1,236,778.67 is: 1,846,212.62
Step by Step Solution
- Step 1: Write the proportion equation
1,407,029.33 : 2,100,355.84 = 1,236,778.67 : x - Step 2: Convert to fraction form
1,407,029.33/2,100,355.84 = 1,236,778.67/x - Step 3: Cross multiply
1,407,029.33x = 2,100,355.84 × 1,236,778.67 - Step 4: Simplify right side
1,407,029.33x = 2,597,675,302,321.93 - Step 5: Solve for x
x = 2,597,675,302,321.93/1,407,029.33 - Step 6: Final answer
x = 1,846,212.62
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.