Finding the Fourth Proportional to 4,237,586.51, 5,847,840.58 and 2,303,847.09
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Solution
The fourth proportional to 4,237,586.51, 5,847,840.58 and 2,303,847.09 is: 3,179,293.32
Step by Step Solution
- Step 1: Write the proportion equation
4,237,586.51 : 5,847,840.58 = 2,303,847.09 : x - Step 2: Convert to fraction form
4,237,586.51/5,847,840.58 = 2,303,847.09/x - Step 3: Cross multiply
4,237,586.51x = 5,847,840.58 × 2,303,847.09 - Step 4: Simplify right side
4,237,586.51x = 13,472,530,462,258.47 - Step 5: Solve for x
x = 13,472,530,462,258.47/4,237,586.51 - Step 6: Final answer
x = 3,179,293.32
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1.5x scale
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.