Finding the Fourth Proportional to 5,643,372.35, 8,462,982.07 and 1,949,456.07
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Solution
The fourth proportional to 5,643,372.35, 8,462,982.07 and 1,949,456.07 is: 2,923,466.81
Step by Step Solution
- Step 1: Write the proportion equation
5,643,372.35 : 8,462,982.07 = 1,949,456.07 : x - Step 2: Convert to fraction form
5,643,372.35/8,462,982.07 = 1,949,456.07/x - Step 3: Cross multiply
5,643,372.35x = 8,462,982.07 × 1,949,456.07 - Step 4: Simplify right side
5,643,372.35x = 16,498,211,783,741.65 - Step 5: Solve for x
x = 16,498,211,783,741.65/5,643,372.35 - Step 6: Final answer
x = 2,923,466.81
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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.