Finding the Fourth Proportional to 2,077,576.29, 3,117,351.36 and 1,438,862.94
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Solution
The fourth proportional to 2,077,576.29, 3,117,351.36 and 1,438,862.94 is: 2,158,977.92
Step by Step Solution
- Step 1: Write the proportion equation
2,077,576.29 : 3,117,351.36 = 1,438,862.94 : x - Step 2: Convert to fraction form
2,077,576.29/3,117,351.36 = 1,438,862.94/x - Step 3: Cross multiply
2,077,576.29x = 3,117,351.36 × 1,438,862.94 - Step 4: Simplify right side
2,077,576.29x = 4,485,441,327,275.84 - Step 5: Solve for x
x = 4,485,441,327,275.84/2,077,576.29 - Step 6: Final answer
x = 2,158,977.92
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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.