Finding the Fourth Proportional to 1,699,676.34, 2,345,722.80 and 1,269,209.12
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Solution
The fourth proportional to 1,699,676.34, 2,345,722.80 and 1,269,209.12 is: 1,751,635.12
Step by Step Solution
- Step 1: Write the proportion equation
1,699,676.34 : 2,345,722.80 = 1,269,209.12 : x - Step 2: Convert to fraction form
1,699,676.34/2,345,722.80 = 1,269,209.12/x - Step 3: Cross multiply
1,699,676.34x = 2,345,722.80 × 1,269,209.12 - Step 4: Simplify right side
1,699,676.34x = 2,977,212,770,751.94 - Step 5: Solve for x
x = 2,977,212,770,751.94/1,699,676.34 - Step 6: Final answer
x = 1,751,635.12
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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.