Finding the Fourth Proportional to 3,553,858.36, 5,330,803.14 and 1,125,023.54
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Solution
The fourth proportional to 3,553,858.36, 5,330,803.14 and 1,125,023.54 is: 1,687,540.25
Step by Step Solution
- Step 1: Write the proportion equation
3,553,858.36 : 5,330,803.14 = 1,125,023.54 : x - Step 2: Convert to fraction form
3,553,858.36/5,330,803.14 = 1,125,023.54/x - Step 3: Cross multiply
3,553,858.36x = 5,330,803.14 × 1,125,023.54 - Step 4: Simplify right side
3,553,858.36x = 5,997,279,019,605.92 - Step 5: Solve for x
x = 5,997,279,019,605.92/3,553,858.36 - Step 6: Final answer
x = 1,687,540.25
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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.