Finding the Fourth Proportional to 1,528,197.30, 2,108,873.97 and 849,135.54
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Solution
The fourth proportional to 1,528,197.30, 2,108,873.97 and 849,135.54 is: 1,171,785.76
Step by Step Solution
- Step 1: Write the proportion equation
1,528,197.30 : 2,108,873.97 = 849,135.54 : x - Step 2: Convert to fraction form
1,528,197.30/2,108,873.97 = 849,135.54/x - Step 3: Cross multiply
1,528,197.30x = 2,108,873.97 × 849,135.54 - Step 4: Simplify right side
1,528,197.30x = 1,790,719,837,307.89 - Step 5: Solve for x
x = 1,790,719,837,307.89/1,528,197.30 - Step 6: Final answer
x = 1,171,785.76
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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.