Finding the Fourth Proportional to 3,853,877.35, 5,317,963.14 and 2,134,676.65
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Solution
The fourth proportional to 3,853,877.35, 5,317,963.14 and 2,134,676.65 is: 2,945,639.08
Step by Step Solution
- Step 1: Write the proportion equation
3,853,877.35 : 5,317,963.14 = 2,134,676.65 : x - Step 2: Convert to fraction form
3,853,877.35/5,317,963.14 = 2,134,676.65/x - Step 3: Cross multiply
3,853,877.35x = 5,317,963.14 × 2,134,676.65 - Step 4: Simplify right side
3,853,877.35x = 11,352,131,740,518.68 - Step 5: Solve for x
x = 11,352,131,740,518.68/3,853,877.35 - Step 6: Final answer
x = 2,945,639.08
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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.