Finding the Fourth Proportional to 2,381,164.21, 3,286,065.87 and 1,293,435.46
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Solution
The fourth proportional to 2,381,164.21, 3,286,065.87 and 1,293,435.46 is: 1,784,973.12
Step by Step Solution
- Step 1: Write the proportion equation
2,381,164.21 : 3,286,065.87 = 1,293,435.46 : x - Step 2: Convert to fraction form
2,381,164.21/3,286,065.87 = 1,293,435.46/x - Step 3: Cross multiply
2,381,164.21x = 3,286,065.87 × 1,293,435.46 - Step 4: Simplify right side
2,381,164.21x = 4,250,314,120,153.75 - Step 5: Solve for x
x = 4,250,314,120,153.75/2,381,164.21 - Step 6: Final answer
x = 1,784,973.12
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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.