Finding the Fourth Proportional to 1,782,026.20, 2,669,102.70 and 716,519.80
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Solution
The fourth proportional to 1,782,026.20, 2,669,102.70 and 716,519.80 is: 1,073,196.87
Step by Step Solution
- Step 1: Write the proportion equation
1,782,026.20 : 2,669,102.70 = 716,519.80 : x - Step 2: Convert to fraction form
1,782,026.20/2,669,102.70 = 716,519.80/x - Step 3: Cross multiply
1,782,026.20x = 2,669,102.70 × 716,519.80 - Step 4: Simplify right side
1,782,026.20x = 1,912,464,932,783.46 - Step 5: Solve for x
x = 1,912,464,932,783.46/1,782,026.20 - Step 6: Final answer
x = 1,073,196.87
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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.