Finding the Fourth Proportional to 2,867,486.40, 4,294,231.20 and 1,369,828.80
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Solution
The fourth proportional to 2,867,486.40, 4,294,231.20 and 1,369,828.80 is: 2,051,399.99
Step by Step Solution
- Step 1: Write the proportion equation
2,867,486.40 : 4,294,231.20 = 1,369,828.80 : x - Step 2: Convert to fraction form
2,867,486.40/4,294,231.20 = 1,369,828.80/x - Step 3: Cross multiply
2,867,486.40x = 4,294,231.20 × 1,369,828.80 - Step 4: Simplify right side
2,867,486.40x = 5,882,361,571,618.56 - Step 5: Solve for x
x = 5,882,361,571,618.56/2,867,486.40 - Step 6: Final answer
x = 2,051,399.99
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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.