Finding the Fourth Proportional to 3,340,058.78, 4,608,791.23 and 1,869,891.09
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Solution
The fourth proportional to 3,340,058.78, 4,608,791.23 and 1,869,891.09 is: 2,580,175.45
Step by Step Solution
- Step 1: Write the proportion equation
3,340,058.78 : 4,608,791.23 = 1,869,891.09 : x - Step 2: Convert to fraction form
3,340,058.78/4,608,791.23 = 1,869,891.09/x - Step 3: Cross multiply
3,340,058.78x = 4,608,791.23 × 1,869,891.09 - Step 4: Simplify right side
3,340,058.78x = 8,617,937,656,647.14 - Step 5: Solve for x
x = 8,617,937,656,647.14/3,340,058.78 - Step 6: Final answer
x = 2,580,175.45
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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.