Finding the Fourth Proportional to 6,819,868.40, 9,410,748.36 and 3,763,885.28
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Solution
The fourth proportional to 6,819,868.40, 9,410,748.36 and 3,763,885.28 is: 5,193,791.90
Step by Step Solution
- Step 1: Write the proportion equation
6,819,868.40 : 9,410,748.36 = 3,763,885.28 : x - Step 2: Convert to fraction form
6,819,868.40/9,410,748.36 = 3,763,885.28/x - Step 3: Cross multiply
6,819,868.40x = 9,410,748.36 × 3,763,885.28 - Step 4: Simplify right side
6,819,868.40x = 35,420,977,225,988.13 - Step 5: Solve for x
x = 35,420,977,225,988.13/6,819,868.40 - Step 6: Final answer
x = 5,193,791.90
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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.