Finding the Fourth Proportional to 4,731,749.07, 7,112,440.61 and 3,122,858.09
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Solution
The fourth proportional to 4,731,749.07, 7,112,440.61 and 3,122,858.09 is: 4,694,066.05
Step by Step Solution
- Step 1: Write the proportion equation
4,731,749.07 : 7,112,440.61 = 3,122,858.09 : x - Step 2: Convert to fraction form
4,731,749.07/7,112,440.61 = 3,122,858.09/x - Step 3: Cross multiply
4,731,749.07x = 7,112,440.61 × 3,122,858.09 - Step 4: Simplify right side
4,731,749.07x = 22,211,142,647,406.54 - Step 5: Solve for x
x = 22,211,142,647,406.54/4,731,749.07 - Step 6: Final answer
x = 4,694,066.05
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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.