Finding the Fourth Proportional to 2,238,029.19, 3,088,480.73 and 1,219,433.94
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Solution
The fourth proportional to 2,238,029.19, 3,088,480.73 and 1,219,433.94 is: 1,682,819.08
Step by Step Solution
- Step 1: Write the proportion equation
2,238,029.19 : 3,088,480.73 = 1,219,433.94 : x - Step 2: Convert to fraction form
2,238,029.19/3,088,480.73 = 1,219,433.94/x - Step 3: Cross multiply
2,238,029.19x = 3,088,480.73 × 1,219,433.94 - Step 4: Simplify right side
2,238,029.19x = 3,766,198,219,100.81 - Step 5: Solve for x
x = 3,766,198,219,100.81/2,238,029.19 - Step 6: Final answer
x = 1,682,819.08
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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.