Finding the Fourth Proportional to 3,451,682.19, 5,178,270.68 and 1,321,766.40
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Solution
The fourth proportional to 3,451,682.19, 5,178,270.68 and 1,321,766.40 is: 1,982,935.80
Step by Step Solution
- Step 1: Write the proportion equation
3,451,682.19 : 5,178,270.68 = 1,321,766.40 : x - Step 2: Convert to fraction form
3,451,682.19/5,178,270.68 = 1,321,766.40/x - Step 3: Cross multiply
3,451,682.19x = 5,178,270.68 × 1,321,766.40 - Step 4: Simplify right side
3,451,682.19x = 6,844,464,188,320.32 - Step 5: Solve for x
x = 6,844,464,188,320.32/3,451,682.19 - Step 6: Final answer
x = 1,982,935.80
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.