Finding the Fourth Proportional to 4,119,138.90, 6,178,708.35 and 2,435,375.70
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Solution
The fourth proportional to 4,119,138.90, 6,178,708.35 and 2,435,375.70 is: 3,653,063.55
Step by Step Solution
- Step 1: Write the proportion equation
4,119,138.90 : 6,178,708.35 = 2,435,375.70 : x - Step 2: Convert to fraction form
4,119,138.90/6,178,708.35 = 2,435,375.70/x - Step 3: Cross multiply
4,119,138.90x = 6,178,708.35 × 2,435,375.70 - Step 4: Simplify right side
4,119,138.90x = 15,047,476,172,977.10 - Step 5: Solve for x
x = 15,047,476,172,977.10/4,119,138.90 - Step 6: Final answer
x = 3,653,063.55
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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.