Finding the Fourth Proportional to 5,928,429.21, 8,180,852.36 and 3,315,148.62
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Solution
The fourth proportional to 5,928,429.21, 8,180,852.36 and 3,315,148.62 is: 4,574,692.63
Step by Step Solution
- Step 1: Write the proportion equation
5,928,429.21 : 8,180,852.36 = 3,315,148.62 : x - Step 2: Convert to fraction form
5,928,429.21/8,180,852.36 = 3,315,148.62/x - Step 3: Cross multiply
5,928,429.21x = 8,180,852.36 × 3,315,148.62 - Step 4: Simplify right side
5,928,429.21x = 27,120,741,395,102.00 - Step 5: Solve for x
x = 27,120,741,395,102.00/5,928,429.21 - Step 6: Final answer
x = 4,574,692.63
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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.