Finding the Fourth Proportional to 5,408,511.60, 7,463,742.46 and 2,961,122.02
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Solution
The fourth proportional to 5,408,511.60, 7,463,742.46 and 2,961,122.02 is: 4,086,346.45
Step by Step Solution
- Step 1: Write the proportion equation
5,408,511.60 : 7,463,742.46 = 2,961,122.02 : x - Step 2: Convert to fraction form
5,408,511.60/7,463,742.46 = 2,961,122.02/x - Step 3: Cross multiply
5,408,511.60x = 7,463,742.46 × 2,961,122.02 - Step 4: Simplify right side
5,408,511.60x = 22,101,052,172,167.65 - Step 5: Solve for x
x = 22,101,052,172,167.65/5,408,511.60 - Step 6: Final answer
x = 4,086,346.45
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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.