Finding the Fourth Proportional to 3,358,885.24, 5,037,808.36 and 1,228,471.12
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Solution
The fourth proportional to 3,358,885.24, 5,037,808.36 and 1,228,471.12 is: 1,842,516.68
Step by Step Solution
- Step 1: Write the proportion equation
3,358,885.24 : 5,037,808.36 = 1,228,471.12 : x - Step 2: Convert to fraction form
3,358,885.24/5,037,808.36 = 1,228,471.12/x - Step 3: Cross multiply
3,358,885.24x = 5,037,808.36 × 1,228,471.12 - Step 4: Simplify right side
3,358,885.24x = 6,188,802,078,354.57 - Step 5: Solve for x
x = 6,188,802,078,354.57/3,358,885.24 - Step 6: Final answer
x = 1,842,516.68
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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.