Finding the Fourth Proportional to 3,451,689.44, 5,178,281.55 and 1,321,773.65
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Solution
The fourth proportional to 3,451,689.44, 5,178,281.55 and 1,321,773.65 is: 1,982,946.68
Step by Step Solution
- Step 1: Write the proportion equation
3,451,689.44 : 5,178,281.55 = 1,321,773.65 : x - Step 2: Convert to fraction form
3,451,689.44/5,178,281.55 = 1,321,773.65/x - Step 3: Cross multiply
3,451,689.44x = 5,178,281.55 × 1,321,773.65 - Step 4: Simplify right side
3,451,689.44x = 6,844,516,105,071.16 - Step 5: Solve for x
x = 6,844,516,105,071.16/3,451,689.44 - Step 6: Final answer
x = 1,982,946.68
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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.