Finding the Fourth Proportional to 2,775,720.21, 3,831,308.45 and 1,614,439.62
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Solution
The fourth proportional to 2,775,720.21, 3,831,308.45 and 1,614,439.62 is: 2,228,400.45
Step by Step Solution
- Step 1: Write the proportion equation
2,775,720.21 : 3,831,308.45 = 1,614,439.62 : x - Step 2: Convert to fraction form
2,775,720.21/3,831,308.45 = 1,614,439.62/x - Step 3: Cross multiply
2,775,720.21x = 3,831,308.45 × 1,614,439.62 - Step 4: Simplify right side
2,775,720.21x = 6,185,416,158,120.79 - Step 5: Solve for x
x = 6,185,416,158,120.79/2,775,720.21 - Step 6: Final answer
x = 2,228,400.45
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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.