Finding the Fourth Proportional to 5,219,214.29, 7,826,260.15 and 2,144,648.14
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Solution
The fourth proportional to 5,219,214.29, 7,826,260.15 and 2,144,648.14 is: 3,215,919.73
Step by Step Solution
- Step 1: Write the proportion equation
5,219,214.29 : 7,826,260.15 = 2,144,648.14 : x - Step 2: Convert to fraction form
5,219,214.29/7,826,260.15 = 2,144,648.14/x - Step 3: Cross multiply
5,219,214.29x = 7,826,260.15 × 2,144,648.14 - Step 4: Simplify right side
5,219,214.29x = 16,784,574,244,905.14 - Step 5: Solve for x
x = 16,784,574,244,905.14/5,219,214.29 - Step 6: Final answer
x = 3,215,919.73
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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.