Finding the Fourth Proportional to 4,652,858.21, 6,979,289.75 and 1,458,233.20
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Solution
The fourth proportional to 4,652,858.21, 6,979,289.75 and 1,458,233.20 is: 2,187,350.56
Step by Step Solution
- Step 1: Write the proportion equation
4,652,858.21 : 6,979,289.75 = 1,458,233.20 : x - Step 2: Convert to fraction form
4,652,858.21/6,979,289.75 = 1,458,233.20/x - Step 3: Cross multiply
4,652,858.21x = 6,979,289.75 × 1,458,233.20 - Step 4: Simplify right side
4,652,858.21x = 10,177,432,012,067.06 - Step 5: Solve for x
x = 10,177,432,012,067.06/4,652,858.21 - Step 6: Final answer
x = 2,187,350.56
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.