Finding the Fourth Proportional to 5,979,760.81, 8,970,949.36 and 1,936,657.30
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Solution
The fourth proportional to 5,979,760.81, 8,970,949.36 and 1,936,657.30 is: 2,905,409.62
Step by Step Solution
- Step 1: Write the proportion equation
5,979,760.81 : 8,970,949.36 = 1,936,657.30 : x - Step 2: Convert to fraction form
5,979,760.81/8,970,949.36 = 1,936,657.30/x - Step 3: Cross multiply
5,979,760.81x = 8,970,949.36 × 1,936,657.30 - Step 4: Simplify right side
5,979,760.81x = 17,373,654,562,788.31 - Step 5: Solve for x
x = 17,373,654,562,788.31/5,979,760.81 - Step 6: Final answer
x = 2,905,409.62
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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.