Finding the Fourth Proportional to 3,980,307.99, 5,969,307.43 and 1,550,919.39
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Solution
The fourth proportional to 3,980,307.99, 5,969,307.43 and 1,550,919.39 is: 2,325,929.21
Step by Step Solution
- Step 1: Write the proportion equation
3,980,307.99 : 5,969,307.43 = 1,550,919.39 : x - Step 2: Convert to fraction form
3,980,307.99/5,969,307.43 = 1,550,919.39/x - Step 3: Cross multiply
3,980,307.99x = 5,969,307.43 × 1,550,919.39 - Step 4: Simplify right side
3,980,307.99x = 9,257,914,638,058.07 - Step 5: Solve for x
x = 9,257,914,638,058.07/3,980,307.99 - Step 6: Final answer
x = 2,325,929.21
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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.