Finding the Fourth Proportional to 4,239,309.80, 6,351,966.30 and 3,609,453.80
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Solution
The fourth proportional to 4,239,309.80, 6,351,966.30 and 3,609,453.80 is: 5,408,222.09
Step by Step Solution
- Step 1: Write the proportion equation
4,239,309.80 : 6,351,966.30 = 3,609,453.80 : x - Step 2: Convert to fraction form
4,239,309.80/6,351,966.30 = 3,609,453.80/x - Step 3: Cross multiply
4,239,309.80x = 6,351,966.30 × 3,609,453.80 - Step 4: Simplify right side
4,239,309.80x = 22,927,128,899,006.94 - Step 5: Solve for x
x = 22,927,128,899,006.94/4,239,309.80 - Step 6: Final answer
x = 5,408,222.09
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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.