Finding the Fourth Proportional to 3,746,843.16, 5,170,768.74 and 2,296,258.38
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Solution
The fourth proportional to 3,746,843.16, 5,170,768.74 and 2,296,258.38 is: 3,168,913.28
Step by Step Solution
- Step 1: Write the proportion equation
3,746,843.16 : 5,170,768.74 = 2,296,258.38 : x - Step 2: Convert to fraction form
3,746,843.16/5,170,768.74 = 2,296,258.38/x - Step 3: Cross multiply
3,746,843.16x = 5,170,768.74 × 2,296,258.38 - Step 4: Simplify right side
3,746,843.16x = 11,873,421,050,267.04 - Step 5: Solve for x
x = 11,873,421,050,267.04/3,746,843.16 - Step 6: Final answer
x = 3,168,913.28
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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.