Finding the Fourth Proportional to 2,632,576.26, 3,948,864.12 and 638,032.26
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Solution
The fourth proportional to 2,632,576.26, 3,948,864.12 and 638,032.26 is: 957,048.32
Step by Step Solution
- Step 1: Write the proportion equation
2,632,576.26 : 3,948,864.12 = 638,032.26 : x - Step 2: Convert to fraction form
2,632,576.26/3,948,864.12 = 638,032.26/x - Step 3: Cross multiply
2,632,576.26x = 3,948,864.12 × 638,032.26 - Step 4: Simplify right side
2,632,576.26x = 2,519,502,698,916.51 - Step 5: Solve for x
x = 2,519,502,698,916.51/2,632,576.26 - Step 6: Final answer
x = 957,048.32
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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.