Finding the Fourth Proportional to 2,451,128.06, 3,382,556.74 and 1,378,040.06
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Solution
The fourth proportional to 2,451,128.06, 3,382,556.74 and 1,378,040.06 is: 1,901,695.29
Step by Step Solution
- Step 1: Write the proportion equation
2,451,128.06 : 3,382,556.74 = 1,378,040.06 : x - Step 2: Convert to fraction form
2,451,128.06/3,382,556.74 = 1,378,040.06/x - Step 3: Cross multiply
2,451,128.06x = 3,382,556.74 × 1,378,040.06 - Step 4: Simplify right side
2,451,128.06x = 4,661,298,697,954.30 - Step 5: Solve for x
x = 4,661,298,697,954.30/2,451,128.06 - Step 6: Final answer
x = 1,901,695.29
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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.