Finding the Fourth Proportional to 1,540,858.84, 2,125,868.82 and 887,471.80
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Solution
The fourth proportional to 1,540,858.84, 2,125,868.82 and 887,471.80 is: 1,224,413.67
Step by Step Solution
- Step 1: Write the proportion equation
1,540,858.84 : 2,125,868.82 = 887,471.80 : x - Step 2: Convert to fraction form
1,540,858.84/2,125,868.82 = 887,471.80/x - Step 3: Cross multiply
1,540,858.84x = 2,125,868.82 × 887,471.80 - Step 4: Simplify right side
1,540,858.84x = 1,886,648,628,249.28 - Step 5: Solve for x
x = 1,886,648,628,249.28/1,540,858.84 - Step 6: Final answer
x = 1,224,413.67
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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.