Finding the Fourth Proportional to 6,768,178.63, 9,340,101.90 and 3,867,562.55
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Solution
The fourth proportional to 6,768,178.63, 9,340,101.90 and 3,867,562.55 is: 5,337,245.12
Step by Step Solution
- Step 1: Write the proportion equation
6,768,178.63 : 9,340,101.90 = 3,867,562.55 : x - Step 2: Convert to fraction form
6,768,178.63/9,340,101.90 = 3,867,562.55/x - Step 3: Cross multiply
6,768,178.63x = 9,340,101.90 × 3,867,562.55 - Step 4: Simplify right side
6,768,178.63x = 36,123,428,344,974.10 - Step 5: Solve for x
x = 36,123,428,344,974.10/6,768,178.63 - Step 6: Final answer
x = 5,337,245.12
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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.