Finding the Fourth Proportional to 4,128,955.84, 6,190,023.97 and 1,821,806.39
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Solution
The fourth proportional to 4,128,955.84, 6,190,023.97 and 1,821,806.39 is: 2,731,205.09
Step by Step Solution
- Step 1: Write the proportion equation
4,128,955.84 : 6,190,023.97 = 1,821,806.39 : x - Step 2: Convert to fraction form
4,128,955.84/6,190,023.97 = 1,821,806.39/x - Step 3: Cross multiply
4,128,955.84x = 6,190,023.97 × 1,821,806.39 - Step 4: Simplify right side
4,128,955.84x = 11,277,025,210,856.43 - Step 5: Solve for x
x = 11,277,025,210,856.43/4,128,955.84 - Step 6: Final answer
x = 2,731,205.09
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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.