Finding the Fourth Proportional to 3,655,675.68, 5,474,809.97 and 2,115,424.19
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Solution
The fourth proportional to 3,655,675.68, 5,474,809.97 and 2,115,424.19 is: 3,168,099.80
Step by Step Solution
- Step 1: Write the proportion equation
3,655,675.68 : 5,474,809.97 = 2,115,424.19 : x - Step 2: Convert to fraction form
3,655,675.68/5,474,809.97 = 2,115,424.19/x - Step 3: Cross multiply
3,655,675.68x = 5,474,809.97 × 2,115,424.19 - Step 4: Simplify right side
3,655,675.68x = 11,581,545,408,240.00 - Step 5: Solve for x
x = 11,581,545,408,240.00/3,655,675.68 - Step 6: Final answer
x = 3,168,099.80
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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.