Finding the Fourth Proportional to 5,112,867.24, 7,055,751.51 and 2,821,027.68
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Solution
The fourth proportional to 5,112,867.24, 7,055,751.51 and 2,821,027.68 is: 3,893,015.28
Step by Step Solution
- Step 1: Write the proportion equation
5,112,867.24 : 7,055,751.51 = 2,821,027.68 : x - Step 2: Convert to fraction form
5,112,867.24/7,055,751.51 = 2,821,027.68/x - Step 3: Cross multiply
5,112,867.24x = 7,055,751.51 × 2,821,027.68 - Step 4: Simplify right side
5,112,867.24x = 19,904,470,312,911.80 - Step 5: Solve for x
x = 19,904,470,312,911.80/5,112,867.24 - Step 6: Final answer
x = 3,893,015.28
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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.