Finding the Fourth Proportional to 3,742,577.58, 5,164,786.26 and 2,066,212.92
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Solution
The fourth proportional to 3,742,577.58, 5,164,786.26 and 2,066,212.92 is: 2,851,389.95
Step by Step Solution
- Step 1: Write the proportion equation
3,742,577.58 : 5,164,786.26 = 2,066,212.92 : x - Step 2: Convert to fraction form
3,742,577.58/5,164,786.26 = 2,066,212.92/x - Step 3: Cross multiply
3,742,577.58x = 5,164,786.26 × 2,066,212.92 - Step 4: Simplify right side
3,742,577.58x = 10,671,548,099,450.48 - Step 5: Solve for x
x = 10,671,548,099,450.48/3,742,577.58 - Step 6: Final answer
x = 2,851,389.95
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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.