Finding the Fourth Proportional to 5,240,053.62, 7,860,010.06 and 1,349,489.25
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Solution
The fourth proportional to 5,240,053.62, 7,860,010.06 and 1,349,489.25 is: 2,024,215.75
Step by Step Solution
- Step 1: Write the proportion equation
5,240,053.62 : 7,860,010.06 = 1,349,489.25 : x - Step 2: Convert to fraction form
5,240,053.62/7,860,010.06 = 1,349,489.25/x - Step 3: Cross multiply
5,240,053.62x = 7,860,010.06 × 1,349,489.25 - Step 4: Simplify right side
5,240,053.62x = 10,606,999,080,861.85 - Step 5: Solve for x
x = 10,606,999,080,861.85/5,240,053.62 - Step 6: Final answer
x = 2,024,215.75
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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.