Finding the Fourth Proportional to 4,313,221.05, 6,466,422.59 and 2,153,137.56
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Solution
The fourth proportional to 4,313,221.05, 6,466,422.59 and 2,153,137.56 is: 3,228,004.59
Step by Step Solution
- Step 1: Write the proportion equation
4,313,221.05 : 6,466,422.59 = 2,153,137.56 : x - Step 2: Convert to fraction form
4,313,221.05/6,466,422.59 = 2,153,137.56/x - Step 3: Cross multiply
4,313,221.05x = 6,466,422.59 × 2,153,137.56 - Step 4: Simplify right side
4,313,221.05x = 13,923,097,357,361.48 - Step 5: Solve for x
x = 13,923,097,357,361.48/4,313,221.05 - Step 6: Final answer
x = 3,228,004.59
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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.