Finding the Fourth Proportional to 2,170,747.93, 2,995,235.92 and 1,252,642.07
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Solution
The fourth proportional to 2,170,747.93, 2,995,235.92 and 1,252,642.07 is: 1,728,417.41
Step by Step Solution
- Step 1: Write the proportion equation
2,170,747.93 : 2,995,235.92 = 1,252,642.07 : x - Step 2: Convert to fraction form
2,170,747.93/2,995,235.92 = 1,252,642.07/x - Step 3: Cross multiply
2,170,747.93x = 2,995,235.92 × 1,252,642.07 - Step 4: Simplify right side
2,170,747.93x = 3,751,958,515,172.85 - Step 5: Solve for x
x = 3,751,958,515,172.85/2,170,747.93 - Step 6: Final answer
x = 1,728,417.41
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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.