Finding the Fourth Proportional to 2,077,576.10, 3,117,351.08 and 1,438,862.75
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Solution
The fourth proportional to 2,077,576.10, 3,117,351.08 and 1,438,862.75 is: 2,158,977.64
Step by Step Solution
- Step 1: Write the proportion equation
2,077,576.10 : 3,117,351.08 = 1,438,862.75 : x - Step 2: Convert to fraction form
2,077,576.10/3,117,351.08 = 1,438,862.75/x - Step 3: Cross multiply
2,077,576.10x = 3,117,351.08 × 1,438,862.75 - Step 4: Simplify right side
2,077,576.10x = 4,485,440,339,890.89 - Step 5: Solve for x
x = 4,485,440,339,890.89/2,077,576.10 - Step 6: Final answer
x = 2,158,977.64
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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.