Finding the Fourth Proportional to 3,867,850.36, 5,337,595.02 and 2,148,933.98
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Solution
The fourth proportional to 3,867,850.36, 5,337,595.02 and 2,148,933.98 is: 2,965,507.52
Step by Step Solution
- Step 1: Write the proportion equation
3,867,850.36 : 5,337,595.02 = 2,148,933.98 : x - Step 2: Convert to fraction form
3,867,850.36/5,337,595.02 = 2,148,933.98/x - Step 3: Cross multiply
3,867,850.36x = 5,337,595.02 × 2,148,933.98 - Step 4: Simplify right side
3,867,850.36x = 11,470,139,309,956.78 - Step 5: Solve for x
x = 11,470,139,309,956.78/3,867,850.36 - Step 6: Final answer
x = 2,965,507.52
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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.