Finding the Fourth Proportional to 5,433,720.90, 8,150,581.35 and 1,646,711.70
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Solution
The fourth proportional to 5,433,720.90, 8,150,581.35 and 1,646,711.70 is: 2,470,067.55
Step by Step Solution
- Step 1: Write the proportion equation
5,433,720.90 : 8,150,581.35 = 1,646,711.70 : x - Step 2: Convert to fraction form
5,433,720.90/8,150,581.35 = 1,646,711.70/x - Step 3: Cross multiply
5,433,720.90x = 8,150,581.35 × 1,646,711.70 - Step 4: Simplify right side
5,433,720.90x = 13,421,657,670,846.79 - Step 5: Solve for x
x = 13,421,657,670,846.79/5,433,720.90 - Step 6: Final answer
x = 2,470,067.55
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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.