Finding the Fourth Proportional to 1,467,648.70, 2,201,473.05 and 989,351.80
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Solution
The fourth proportional to 1,467,648.70, 2,201,473.05 and 989,351.80 is: 1,484,027.70
Step by Step Solution
- Step 1: Write the proportion equation
1,467,648.70 : 2,201,473.05 = 989,351.80 : x - Step 2: Convert to fraction form
1,467,648.70/2,201,473.05 = 989,351.80/x - Step 3: Cross multiply
1,467,648.70x = 2,201,473.05 × 989,351.80 - Step 4: Simplify right side
1,467,648.70x = 2,178,031,324,668.99 - Step 5: Solve for x
x = 2,178,031,324,668.99/1,467,648.70 - Step 6: Final answer
x = 1,484,027.70
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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.