Finding the Fourth Proportional to 1,627,972.80, 2,441,920.80 and 446,020.80
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Solution
The fourth proportional to 1,627,972.80, 2,441,920.80 and 446,020.80 is: 669,020.68
Step by Step Solution
- Step 1: Write the proportion equation
1,627,972.80 : 2,441,920.80 = 446,020.80 : x - Step 2: Convert to fraction form
1,627,972.80/2,441,920.80 = 446,020.80/x - Step 3: Cross multiply
1,627,972.80x = 2,441,920.80 × 446,020.80 - Step 4: Simplify right side
1,627,972.80x = 1,089,147,468,752.64 - Step 5: Solve for x
x = 1,089,147,468,752.64/1,627,972.80 - Step 6: Final answer
x = 669,020.68
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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.