Finding the Fourth Proportional to 4,536,145.40, 6,801,855.68 and 2,139,346.49
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Solution
The fourth proportional to 4,536,145.40, 6,801,855.68 and 2,139,346.49 is: 3,207,905.56
Step by Step Solution
- Step 1: Write the proportion equation
4,536,145.40 : 6,801,855.68 = 2,139,346.49 : x - Step 2: Convert to fraction form
4,536,145.40/6,801,855.68 = 2,139,346.49/x - Step 3: Cross multiply
4,536,145.40x = 6,801,855.68 × 2,139,346.49 - Step 4: Simplify right side
4,536,145.40x = 14,551,526,033,799.83 - Step 5: Solve for x
x = 14,551,526,033,799.83/4,536,145.40 - Step 6: Final answer
x = 3,207,905.56
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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.