Finding the Fourth Proportional to 5,408,422.49, 7,463,624.37 and 2,961,188.93
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Solution
The fourth proportional to 5,408,422.49, 7,463,624.37 and 2,961,188.93 is: 4,086,441.45
Step by Step Solution
- Step 1: Write the proportion equation
5,408,422.49 : 7,463,624.37 = 2,961,188.93 : x - Step 2: Convert to fraction form
5,408,422.49/7,463,624.37 = 2,961,188.93/x - Step 3: Cross multiply
5,408,422.49x = 7,463,624.37 × 2,961,188.93 - Step 4: Simplify right side
5,408,422.49x = 22,101,201,862,122.23 - Step 5: Solve for x
x = 22,101,201,862,122.23/5,408,422.49 - Step 6: Final answer
x = 4,086,441.45
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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.