Finding the Fourth Proportional to 5,339,473.92, 8,009,126.04 and 1,295,995.20
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Solution
The fourth proportional to 5,339,473.92, 8,009,126.04 and 1,295,995.20 is: 1,943,972.21
Step by Step Solution
- Step 1: Write the proportion equation
5,339,473.92 : 8,009,126.04 = 1,295,995.20 : x - Step 2: Convert to fraction form
5,339,473.92/8,009,126.04 = 1,295,995.20/x - Step 3: Cross multiply
5,339,473.92x = 8,009,126.04 × 1,295,995.20 - Step 4: Simplify right side
5,339,473.92x = 10,379,788,904,035.01 - Step 5: Solve for x
x = 10,379,788,904,035.01/5,339,473.92 - Step 6: Final answer
x = 1,943,972.21
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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.