Finding the Fourth Proportional to 1,696,083.26, 2,341,140.36 and 1,085,879.50
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Solution
The fourth proportional to 1,696,083.26, 2,341,140.36 and 1,085,879.50 is: 1,498,862.93
Step by Step Solution
- Step 1: Write the proportion equation
1,696,083.26 : 2,341,140.36 = 1,085,879.50 : x - Step 2: Convert to fraction form
1,696,083.26/2,341,140.36 = 1,085,879.50/x - Step 3: Cross multiply
1,696,083.26x = 2,341,140.36 × 1,085,879.50 - Step 4: Simplify right side
1,696,083.26x = 2,542,196,323,760.78 - Step 5: Solve for x
x = 2,542,196,323,760.78/1,696,083.26 - Step 6: Final answer
x = 1,498,862.93
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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.