Finding the Fourth Proportional to 5,679,506.77, 7,837,688.09 and 3,101,169.19
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Solution
The fourth proportional to 5,679,506.77, 7,837,688.09 and 3,101,169.19 is: 4,279,596.41
Step by Step Solution
- Step 1: Write the proportion equation
5,679,506.77 : 7,837,688.09 = 3,101,169.19 : x - Step 2: Convert to fraction form
5,679,506.77/7,837,688.09 = 3,101,169.19/x - Step 3: Cross multiply
5,679,506.77x = 7,837,688.09 × 3,101,169.19 - Step 4: Simplify right side
5,679,506.77x = 24,305,996,810,032.10 - Step 5: Solve for x
x = 24,305,996,810,032.10/5,679,506.77 - Step 6: Final answer
x = 4,279,596.41
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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.