Finding the Fourth Proportional to 3,179,110.64, 4,387,202.06 and 1,728,819.81
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Solution
The fourth proportional to 3,179,110.64, 4,387,202.06 and 1,728,819.81 is: 2,385,787.31
Step by Step Solution
- Step 1: Write the proportion equation
3,179,110.64 : 4,387,202.06 = 1,728,819.81 : x - Step 2: Convert to fraction form
3,179,110.64/4,387,202.06 = 1,728,819.81/x - Step 3: Cross multiply
3,179,110.64x = 4,387,202.06 × 1,728,819.81 - Step 4: Simplify right side
3,179,110.64x = 7,584,681,823,156.71 - Step 5: Solve for x
x = 7,584,681,823,156.71/3,179,110.64 - Step 6: Final answer
x = 2,385,787.31
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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.