Finding the Fourth Proportional to 5,138,686.57, 7,705,507.58 and 2,541,991.13
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Solution
The fourth proportional to 5,138,686.57, 7,705,507.58 and 2,541,991.13 is: 3,811,738.98
Step by Step Solution
- Step 1: Write the proportion equation
5,138,686.57 : 7,705,507.58 = 2,541,991.13 : x - Step 2: Convert to fraction form
5,138,686.57/7,705,507.58 = 2,541,991.13/x - Step 3: Cross multiply
5,138,686.57x = 7,705,507.58 × 2,541,991.13 - Step 4: Simplify right side
5,138,686.57x = 19,587,331,920,507.77 - Step 5: Solve for x
x = 19,587,331,920,507.77/5,138,686.57 - Step 6: Final answer
x = 3,811,738.98
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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.