Finding the Fourth Proportional to 1,438,516.87, 1,985,143.51 and 793,937.05
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Solution
The fourth proportional to 1,438,516.87, 1,985,143.51 and 793,937.05 is: 1,095,627.74
Step by Step Solution
- Step 1: Write the proportion equation
1,438,516.87 : 1,985,143.51 = 793,937.05 : x - Step 2: Convert to fraction form
1,438,516.87/1,985,143.51 = 793,937.05/x - Step 3: Cross multiply
1,438,516.87x = 1,985,143.51 × 793,937.05 - Step 4: Simplify right side
1,438,516.87x = 1,576,078,982,156.05 - Step 5: Solve for x
x = 1,576,078,982,156.05/1,438,516.87 - Step 6: Final answer
x = 1,095,627.74
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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.