Finding the Fourth Proportional to 3,557,338.48, 4,909,121.42 and 1,925,745.40
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Solution
The fourth proportional to 3,557,338.48, 4,909,121.42 and 1,925,745.40 is: 2,657,525.58
Step by Step Solution
- Step 1: Write the proportion equation
3,557,338.48 : 4,909,121.42 = 1,925,745.40 : x - Step 2: Convert to fraction form
3,557,338.48/4,909,121.42 = 1,925,745.40/x - Step 3: Cross multiply
3,557,338.48x = 4,909,121.42 × 1,925,745.40 - Step 4: Simplify right side
3,557,338.48x = 9,453,717,992,606.47 - Step 5: Solve for x
x = 9,453,717,992,606.47/3,557,338.48 - Step 6: Final answer
x = 2,657,525.58
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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.