Finding the Fourth Proportional to 5,435,788.86, 8,147,703.84 and 2,239,171.08
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Solution
The fourth proportional to 5,435,788.86, 8,147,703.84 and 2,239,171.08 is: 3,356,293.50
Step by Step Solution
- Step 1: Write the proportion equation
5,435,788.86 : 8,147,703.84 = 2,239,171.08 : x - Step 2: Convert to fraction form
5,435,788.86/8,147,703.84 = 2,239,171.08/x - Step 3: Cross multiply
5,435,788.86x = 8,147,703.84 × 2,239,171.08 - Step 4: Simplify right side
5,435,788.86x = 18,244,102,806,932.95 - Step 5: Solve for x
x = 18,244,102,806,932.95/5,435,788.86 - Step 6: Final answer
x = 3,356,293.50
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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.