Finding the Fourth Proportional to 5,615,809.18, 8,424,763.53 and 2,250,278.62
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Solution
The fourth proportional to 5,615,809.18, 8,424,763.53 and 2,250,278.62 is: 3,375,838.57
Step by Step Solution
- Step 1: Write the proportion equation
5,615,809.18 : 8,424,763.53 = 2,250,278.62 : x - Step 2: Convert to fraction form
5,615,809.18/8,424,763.53 = 2,250,278.62/x - Step 3: Cross multiply
5,615,809.18x = 8,424,763.53 × 2,250,278.62 - Step 4: Simplify right side
5,615,809.18x = 18,958,065,250,114.73 - Step 5: Solve for x
x = 18,958,065,250,114.73/5,615,809.18 - Step 6: Final answer
x = 3,375,838.57
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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.