Finding the Fourth Proportional to 5,477,361.28, 8,216,789.56 and 2,281,739.96
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Solution
The fourth proportional to 5,477,361.28, 8,216,789.56 and 2,281,739.96 is: 3,422,921.39
Step by Step Solution
- Step 1: Write the proportion equation
5,477,361.28 : 8,216,789.56 = 2,281,739.96 : x - Step 2: Convert to fraction form
5,477,361.28/8,216,789.56 = 2,281,739.96/x - Step 3: Cross multiply
5,477,361.28x = 8,216,789.56 × 2,281,739.96 - Step 4: Simplify right side
5,477,361.28x = 18,748,577,081,962.82 - Step 5: Solve for x
x = 18,748,577,081,962.82/5,477,361.28 - Step 6: Final answer
x = 3,422,921.39
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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.