Finding the Fourth Proportional to 5,481,482.12, 8,219,390.12 and 2,406,214.32
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Solution
The fourth proportional to 5,481,482.12, 8,219,390.12 and 2,406,214.32 is: 3,608,077.85
Step by Step Solution
- Step 1: Write the proportion equation
5,481,482.12 : 8,219,390.12 = 2,406,214.32 : x - Step 2: Convert to fraction form
5,481,482.12/8,219,390.12 = 2,406,214.32/x - Step 3: Cross multiply
5,481,482.12x = 8,219,390.12 × 2,406,214.32 - Step 4: Simplify right side
5,481,482.12x = 19,777,614,208,410.52 - Step 5: Solve for x
x = 19,777,614,208,410.52/5,481,482.12 - Step 6: Final answer
x = 3,608,077.85
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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.