Finding the Fourth Proportional to 2,175,961.36, 3,242,071.85 and 2,053,727.56
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Solution
The fourth proportional to 2,175,961.36, 3,242,071.85 and 2,053,727.56 is: 3,059,949.70
Step by Step Solution
- Step 1: Write the proportion equation
2,175,961.36 : 3,242,071.85 = 2,053,727.56 : x - Step 2: Convert to fraction form
2,175,961.36/3,242,071.85 = 2,053,727.56/x - Step 3: Cross multiply
2,175,961.36x = 3,242,071.85 × 2,053,727.56 - Step 4: Simplify right side
2,175,961.36x = 6,658,332,309,845.19 - Step 5: Solve for x
x = 6,658,332,309,845.19/2,175,961.36 - Step 6: Final answer
x = 3,059,949.70
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.