Finding the Fourth Proportional to 4,929,066.81, 7,394,440.86 and 2,197,605.33
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Solution
The fourth proportional to 4,929,066.81, 7,394,440.86 and 2,197,605.33 is: 3,296,782.79
Step by Step Solution
- Step 1: Write the proportion equation
4,929,066.81 : 7,394,440.86 = 2,197,605.33 : x - Step 2: Convert to fraction form
4,929,066.81/7,394,440.86 = 2,197,605.33/x - Step 3: Cross multiply
4,929,066.81x = 7,394,440.86 × 2,197,605.33 - Step 4: Simplify right side
4,929,066.81x = 16,250,062,646,305.79 - Step 5: Solve for x
x = 16,250,062,646,305.79/4,929,066.81 - Step 6: Final answer
x = 3,296,782.79
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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.