Finding the Fourth Proportional to 2,639,246.40, 3,958,480.80 and 746,179.20
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Solution
The fourth proportional to 2,639,246.40, 3,958,480.80 and 746,179.20 is: 1,119,158.88
Step by Step Solution
- Step 1: Write the proportion equation
2,639,246.40 : 3,958,480.80 = 746,179.20 : x - Step 2: Convert to fraction form
2,639,246.40/3,958,480.80 = 746,179.20/x - Step 3: Cross multiply
2,639,246.40x = 3,958,480.80 × 746,179.20 - Step 4: Simplify right side
2,639,246.40x = 2,953,736,036,559.36 - Step 5: Solve for x
x = 2,953,736,036,559.36/2,639,246.40 - Step 6: Final answer
x = 1,119,158.88
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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.