Finding the Fourth Proportional to 2,107,589.34, 2,908,543.70 and 1,291,635.37
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Solution
The fourth proportional to 2,107,589.34, 2,908,543.70 and 1,291,635.37 is: 1,782,499.96
Step by Step Solution
- Step 1: Write the proportion equation
2,107,589.34 : 2,908,543.70 = 1,291,635.37 : x - Step 2: Convert to fraction form
2,107,589.34/2,908,543.70 = 1,291,635.37/x - Step 3: Cross multiply
2,107,589.34x = 2,908,543.70 × 1,291,635.37 - Step 4: Simplify right side
2,107,589.34x = 3,756,777,904,381.13 - Step 5: Solve for x
x = 3,756,777,904,381.13/2,107,589.34 - Step 6: Final answer
x = 1,782,499.96
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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.