Finding the Fourth Proportional to 4,862,013.46, 6,709,576.28 and 2,686,537.58
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Solution
The fourth proportional to 4,862,013.46, 6,709,576.28 and 2,686,537.58 is: 3,707,420.59
Step by Step Solution
- Step 1: Write the proportion equation
4,862,013.46 : 6,709,576.28 = 2,686,537.58 : x - Step 2: Convert to fraction form
4,862,013.46/6,709,576.28 = 2,686,537.58/x - Step 3: Cross multiply
4,862,013.46x = 6,709,576.28 × 2,686,537.58 - Step 4: Simplify right side
4,862,013.46x = 18,025,528,812,857.40 - Step 5: Solve for x
x = 18,025,528,812,857.40/4,862,013.46 - Step 6: Final answer
x = 3,707,420.59
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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.