Finding the Fourth Proportional to 5,395,117.81, 7,445,175.69 and 2,947,676.35
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Solution
The fourth proportional to 5,395,117.81, 7,445,175.69 and 2,947,676.35 is: 4,067,745.89
Step by Step Solution
- Step 1: Write the proportion equation
5,395,117.81 : 7,445,175.69 = 2,947,676.35 : x - Step 2: Convert to fraction form
5,395,117.81/7,445,175.69 = 2,947,676.35/x - Step 3: Cross multiply
5,395,117.81x = 7,445,175.69 × 2,947,676.35 - Step 4: Simplify right side
5,395,117.81x = 21,945,968,303,007.93 - Step 5: Solve for x
x = 21,945,968,303,007.93/5,395,117.81 - Step 6: Final answer
x = 4,067,745.89
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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.