Finding the Fourth Proportional to 4,299,485.23, 6,449,015.31 and 1,603,600.44
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Solution
The fourth proportional to 4,299,485.23, 6,449,015.31 and 1,603,600.44 is: 2,405,321.39
Step by Step Solution
- Step 1: Write the proportion equation
4,299,485.23 : 6,449,015.31 = 1,603,600.44 : x - Step 2: Convert to fraction form
4,299,485.23/6,449,015.31 = 1,603,600.44/x - Step 3: Cross multiply
4,299,485.23x = 6,449,015.31 × 1,603,600.44 - Step 4: Simplify right side
4,299,485.23x = 10,341,643,788,682.74 - Step 5: Solve for x
x = 10,341,643,788,682.74/4,299,485.23 - Step 6: Final answer
x = 2,405,321.39
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1.5x scale
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.