Finding the Fourth Proportional to 5,740,246.25, 7,921,540.25 and 3,161,927.02
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Solution
The fourth proportional to 5,740,246.25, 7,921,540.25 and 3,161,927.02 is: 4,363,459.52
Step by Step Solution
- Step 1: Write the proportion equation
5,740,246.25 : 7,921,540.25 = 3,161,927.02 : x - Step 2: Convert to fraction form
5,740,246.25/7,921,540.25 = 3,161,927.02/x - Step 3: Cross multiply
5,740,246.25x = 7,921,540.25 × 3,161,927.02 - Step 4: Simplify right side
5,740,246.25x = 25,047,332,116,884.86 - Step 5: Solve for x
x = 25,047,332,116,884.86/5,740,246.25 - Step 6: Final answer
x = 4,363,459.52
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.