Finding the Fourth Proportional to 3,436,204.02, 5,155,427.25 and 1,638,853.99
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Solution
The fourth proportional to 3,436,204.02, 5,155,427.25 and 1,638,853.99 is: 2,458,815.74
Step by Step Solution
- Step 1: Write the proportion equation
3,436,204.02 : 5,155,427.25 = 1,638,853.99 : x - Step 2: Convert to fraction form
3,436,204.02/5,155,427.25 = 1,638,853.99/x - Step 3: Cross multiply
3,436,204.02x = 5,155,427.25 × 1,638,853.99 - Step 4: Simplify right side
3,436,204.02x = 8,448,992,520,428.30 - Step 5: Solve for x
x = 8,448,992,520,428.30/3,436,204.02 - Step 6: Final answer
x = 2,458,815.74
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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.