Finding the Fourth Proportional to 5,887,890.62, 8,828,219.11 and 2,289,463.12
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Solution
The fourth proportional to 5,887,890.62, 8,828,219.11 and 2,289,463.12 is: 3,432,788.31
Step by Step Solution
- Step 1: Write the proportion equation
5,887,890.62 : 8,828,219.11 = 2,289,463.12 : x - Step 2: Convert to fraction form
5,887,890.62/8,828,219.11 = 2,289,463.12/x - Step 3: Cross multiply
5,887,890.62x = 8,828,219.11 × 2,289,463.12 - Step 4: Simplify right side
5,887,890.62x = 20,211,882,067,624.22 - Step 5: Solve for x
x = 20,211,882,067,624.22/5,887,890.62 - Step 6: Final answer
x = 3,432,788.31
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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.