Finding the Fourth Proportional to 2,085,894.24, 3,128,895.36 and 665,949.12
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Solution
The fourth proportional to 2,085,894.24, 3,128,895.36 and 665,949.12 is: 998,940.92
Step by Step Solution
- Step 1: Write the proportion equation
2,085,894.24 : 3,128,895.36 = 665,949.12 : x - Step 2: Convert to fraction form
2,085,894.24/3,128,895.36 = 665,949.12/x - Step 3: Cross multiply
2,085,894.24x = 3,128,895.36 × 665,949.12 - Step 4: Simplify right side
2,085,894.24x = 2,083,685,111,564.08 - Step 5: Solve for x
x = 2,083,685,111,564.08/2,085,894.24 - Step 6: Final answer
x = 998,940.92
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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.