Finding the Fourth Proportional to 3,379,645.20, 5,069,379.24 and 1,135,782.48
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Solution
The fourth proportional to 3,379,645.20, 5,069,379.24 and 1,135,782.48 is: 1,703,643.96
Step by Step Solution
- Step 1: Write the proportion equation
3,379,645.20 : 5,069,379.24 = 1,135,782.48 : x - Step 2: Convert to fraction form
3,379,645.20/5,069,379.24 = 1,135,782.48/x - Step 3: Cross multiply
3,379,645.20x = 5,069,379.24 × 1,135,782.48 - Step 4: Simplify right side
3,379,645.20x = 5,757,712,125,267.72 - Step 5: Solve for x
x = 5,757,712,125,267.72/3,379,645.20 - Step 6: Final answer
x = 1,703,643.96
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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.