Finding the Fourth Proportional to 7,184,107.76, 10,766,804.93 and 2,919,290.09
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Solution
The fourth proportional to 7,184,107.76, 10,766,804.93 and 2,919,290.09 is: 4,375,133.00
Step by Step Solution
- Step 1: Write the proportion equation
7,184,107.76 : 10,766,804.93 = 2,919,290.09 : x - Step 2: Convert to fraction form
7,184,107.76/10,766,804.93 = 2,919,290.09/x - Step 3: Cross multiply
7,184,107.76x = 10,766,804.93 × 2,919,290.09 - Step 4: Simplify right side
7,184,107.76x = 31,431,426,933,112.14 - Step 5: Solve for x
x = 31,431,426,933,112.14/7,184,107.76 - Step 6: Final answer
x = 4,375,133.00
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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.