Finding the Fourth Proportional to 5,440,205.53, 7,507,187.08 and 2,992,421.41
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Solution
The fourth proportional to 5,440,205.53, 7,507,187.08 and 2,992,421.41 is: 4,129,378.43
Step by Step Solution
- Step 1: Write the proportion equation
5,440,205.53 : 7,507,187.08 = 2,992,421.41 : x - Step 2: Convert to fraction form
5,440,205.53/7,507,187.08 = 2,992,421.41/x - Step 3: Cross multiply
5,440,205.53x = 7,507,187.08 × 2,992,421.41 - Step 4: Simplify right side
5,440,205.53x = 22,464,667,347,067.38 - Step 5: Solve for x
x = 22,464,667,347,067.38/5,440,205.53 - Step 6: Final answer
x = 4,129,378.43
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1.5x scale
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.