Finding the Fourth Proportional to 3,367,106.69, 4,646,841.62 and 1,916,801.82
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Solution
The fourth proportional to 3,367,106.69, 4,646,841.62 and 1,916,801.82 is: 2,645,319.94
Step by Step Solution
- Step 1: Write the proportion equation
3,367,106.69 : 4,646,841.62 = 1,916,801.82 : x - Step 2: Convert to fraction form
3,367,106.69/4,646,841.62 = 1,916,801.82/x - Step 3: Cross multiply
3,367,106.69x = 4,646,841.62 × 1,916,801.82 - Step 4: Simplify right side
3,367,106.69x = 8,907,074,464,883.74 - Step 5: Solve for x
x = 8,907,074,464,883.74/3,367,106.69 - Step 6: Final answer
x = 2,645,319.94
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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.