Finding the Fourth Proportional to 2,586,138.21, 3,568,615.26 and 1,440,325.17
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Solution
The fourth proportional to 2,586,138.21, 3,568,615.26 and 1,440,325.17 is: 1,987,506.45
Step by Step Solution
- Step 1: Write the proportion equation
2,586,138.21 : 3,568,615.26 = 1,440,325.17 : x - Step 2: Convert to fraction form
2,586,138.21/3,568,615.26 = 1,440,325.17/x - Step 3: Cross multiply
2,586,138.21x = 3,568,615.26 × 1,440,325.17 - Step 4: Simplify right side
2,586,138.21x = 5,139,966,381,024.09 - Step 5: Solve for x
x = 5,139,966,381,024.09/2,586,138.21 - Step 6: Final answer
x = 1,987,506.45
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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.