Finding the Fourth Proportional to 1,449,037.05, 2,173,555.58 and 1,214,590.65
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Solution
The fourth proportional to 1,449,037.05, 2,173,555.58 and 1,214,590.65 is: 1,821,885.98
Step by Step Solution
- Step 1: Write the proportion equation
1,449,037.05 : 2,173,555.58 = 1,214,590.65 : x - Step 2: Convert to fraction form
1,449,037.05/2,173,555.58 = 1,214,590.65/x - Step 3: Cross multiply
1,449,037.05x = 2,173,555.58 × 1,214,590.65 - Step 4: Simplify right side
1,449,037.05x = 2,639,980,278,650.37 - Step 5: Solve for x
x = 2,639,980,278,650.37/1,449,037.05 - Step 6: Final answer
x = 1,821,885.98
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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.