Finding the Fourth Proportional to 2,297,422.35, 3,170,390.36 and 1,438,456.23
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Solution
The fourth proportional to 2,297,422.35, 3,170,390.36 and 1,438,456.23 is: 1,985,036.73
Step by Step Solution
- Step 1: Write the proportion equation
2,297,422.35 : 3,170,390.36 = 1,438,456.23 : x - Step 2: Convert to fraction form
2,297,422.35/3,170,390.36 = 1,438,456.23/x - Step 3: Cross multiply
2,297,422.35x = 3,170,390.36 × 1,438,456.23 - Step 4: Simplify right side
2,297,422.35x = 4,560,467,757,681.66 - Step 5: Solve for x
x = 4,560,467,757,681.66/2,297,422.35 - Step 6: Final answer
x = 1,985,036.73
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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.