Finding the Fourth Proportional to 3,638,218.21, 5,445,974.22 and 2,679,756.06
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Solution
The fourth proportional to 3,638,218.21, 5,445,974.22 and 2,679,756.06 is: 4,011,271.89
Step by Step Solution
- Step 1: Write the proportion equation
3,638,218.21 : 5,445,974.22 = 2,679,756.06 : x - Step 2: Convert to fraction form
3,638,218.21/5,445,974.22 = 2,679,756.06/x - Step 3: Cross multiply
3,638,218.21x = 5,445,974.22 × 2,679,756.06 - Step 4: Simplify right side
3,638,218.21x = 14,593,882,455,461.05 - Step 5: Solve for x
x = 14,593,882,455,461.05/3,638,218.21 - Step 6: Final answer
x = 4,011,271.89
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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.