Finding the Fourth Proportional to 5,412,815.12, 7,469,682.28 and 3,237,358.23
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Solution
The fourth proportional to 5,412,815.12, 7,469,682.28 and 3,237,358.23 is: 4,467,552.81
Step by Step Solution
- Step 1: Write the proportion equation
5,412,815.12 : 7,469,682.28 = 3,237,358.23 : x - Step 2: Convert to fraction form
5,412,815.12/7,469,682.28 = 3,237,358.23/x - Step 3: Cross multiply
5,412,815.12x = 7,469,682.28 × 3,237,358.23 - Step 4: Simplify right side
5,412,815.12x = 24,182,037,404,643.16 - Step 5: Solve for x
x = 24,182,037,404,643.16/5,412,815.12 - Step 6: Final answer
x = 4,467,552.81
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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.