Finding the Fourth Proportional to 5,627,067.98, 7,765,252.36 and 3,179,626.35
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Solution
The fourth proportional to 5,627,067.98, 7,765,252.36 and 3,179,626.35 is: 4,387,827.04
Step by Step Solution
- Step 1: Write the proportion equation
5,627,067.98 : 7,765,252.36 = 3,179,626.35 : x - Step 2: Convert to fraction form
5,627,067.98/7,765,252.36 = 3,179,626.35/x - Step 3: Cross multiply
5,627,067.98x = 7,765,252.36 × 3,179,626.35 - Step 4: Simplify right side
5,627,067.98x = 24,690,600,999,072.32 - Step 5: Solve for x
x = 24,690,600,999,072.32/5,627,067.98 - Step 6: Final answer
x = 4,387,827.04
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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.