Finding the Fourth Proportional to 1,647,581.84, 2,470,895.40 and 494,781.90
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Solution
The fourth proportional to 1,647,581.84, 2,470,895.40 and 494,781.90 is: 742,029.50
Step by Step Solution
- Step 1: Write the proportion equation
1,647,581.84 : 2,470,895.40 = 494,781.90 : x - Step 2: Convert to fraction form
1,647,581.84/2,470,895.40 = 494,781.90/x - Step 3: Cross multiply
1,647,581.84x = 2,470,895.40 × 494,781.90 - Step 4: Simplify right side
1,647,581.84x = 1,222,554,320,713.26 - Step 5: Solve for x
x = 1,222,554,320,713.26/1,647,581.84 - Step 6: Final answer
x = 742,029.50
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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.