Finding the Fourth Proportional to 6,129,270.66, 8,458,450.56 and 3,376,055.82
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Solution
The fourth proportional to 6,129,270.66, 8,458,450.56 and 3,376,055.82 is: 4,658,988.45
Step by Step Solution
- Step 1: Write the proportion equation
6,129,270.66 : 8,458,450.56 = 3,376,055.82 : x - Step 2: Convert to fraction form
6,129,270.66/8,458,450.56 = 3,376,055.82/x - Step 3: Cross multiply
6,129,270.66x = 8,458,450.56 × 3,376,055.82 - Step 4: Simplify right side
6,129,270.66x = 28,556,201,241,270.26 - Step 5: Solve for x
x = 28,556,201,241,270.26/6,129,270.66 - Step 6: Final answer
x = 4,658,988.45
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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.