Finding the Fourth Proportional to 2,747,421.60, 4,119,212.40 and 1,624,912.80
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Solution
The fourth proportional to 2,747,421.60, 4,119,212.40 and 1,624,912.80 is: 2,436,233.65
Step by Step Solution
- Step 1: Write the proportion equation
2,747,421.60 : 4,119,212.40 = 1,624,912.80 : x - Step 2: Convert to fraction form
2,747,421.60/4,119,212.40 = 1,624,912.80/x - Step 3: Cross multiply
2,747,421.60x = 4,119,212.40 × 1,624,912.80 - Step 4: Simplify right side
2,747,421.60x = 6,693,360,954,678.72 - Step 5: Solve for x
x = 6,693,360,954,678.72/2,747,421.60 - Step 6: Final answer
x = 2,436,233.65
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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.