Finding the Fourth Proportional to 4,978,964.97, 6,871,183.70 and 2,773,826.54
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Solution
The fourth proportional to 4,978,964.97, 6,871,183.70 and 2,773,826.54 is: 3,827,998.75
Step by Step Solution
- Step 1: Write the proportion equation
4,978,964.97 : 6,871,183.70 = 2,773,826.54 : x - Step 2: Convert to fraction form
4,978,964.97/6,871,183.70 = 2,773,826.54/x - Step 3: Cross multiply
4,978,964.97x = 6,871,183.70 × 2,773,826.54 - Step 4: Simplify right side
4,978,964.97x = 19,059,471,685,817.29 - Step 5: Solve for x
x = 19,059,471,685,817.29/4,978,964.97 - Step 6: Final answer
x = 3,827,998.75
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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.