Finding the Fourth Proportional to 3,587,421.58, 5,378,609.29 and 1,666,293.09
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Solution
The fourth proportional to 3,587,421.58, 5,378,609.29 and 1,666,293.09 is: 2,498,267.71
Step by Step Solution
- Step 1: Write the proportion equation
3,587,421.58 : 5,378,609.29 = 1,666,293.09 : x - Step 2: Convert to fraction form
3,587,421.58/5,378,609.29 = 1,666,293.09/x - Step 3: Cross multiply
3,587,421.58x = 5,378,609.29 × 1,666,293.09 - Step 4: Simplify right side
3,587,421.58x = 8,962,339,493,736.81 - Step 5: Solve for x
x = 8,962,339,493,736.81/3,587,421.58 - Step 6: Final answer
x = 2,498,267.71
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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.