Finding the Fourth Proportional to 2,291,284.22, 3,161,973.42 and 1,258,858.54
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Solution
The fourth proportional to 2,291,284.22, 3,161,973.42 and 1,258,858.54 is: 1,737,225.44
Step by Step Solution
- Step 1: Write the proportion equation
2,291,284.22 : 3,161,973.42 = 1,258,858.54 : x - Step 2: Convert to fraction form
2,291,284.22/3,161,973.42 = 1,258,858.54/x - Step 3: Cross multiply
2,291,284.22x = 3,161,973.42 × 1,258,858.54 - Step 4: Simplify right side
2,291,284.22x = 3,980,477,243,020.01 - Step 5: Solve for x
x = 3,980,477,243,020.01/2,291,284.22 - Step 6: Final answer
x = 1,737,225.44
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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.