Finding the Fourth Proportional to 4,638,396.24, 6,958,071.36 and 1,605,756.24
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Solution
The fourth proportional to 4,638,396.24, 6,958,071.36 and 1,605,756.24 is: 2,408,799.49
Step by Step Solution
- Step 1: Write the proportion equation
4,638,396.24 : 6,958,071.36 = 1,605,756.24 : x - Step 2: Convert to fraction form
4,638,396.24/6,958,071.36 = 1,605,756.24/x - Step 3: Cross multiply
4,638,396.24x = 6,958,071.36 × 1,605,756.24 - Step 4: Simplify right side
4,638,396.24x = 11,172,966,504,685.29 - Step 5: Solve for x
x = 11,172,966,504,685.29/4,638,396.24 - Step 6: Final answer
x = 2,408,799.49
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1.5x scale
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.