Finding the Fourth Proportional to 3,811,716.08, 5,260,259.50 and 2,069,458.76
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Solution
The fourth proportional to 3,811,716.08, 5,260,259.50 and 2,069,458.76 is: 2,855,902.67
Step by Step Solution
- Step 1: Write the proportion equation
3,811,716.08 : 5,260,259.50 = 2,069,458.76 : x - Step 2: Convert to fraction form
3,811,716.08/5,260,259.50 = 2,069,458.76/x - Step 3: Cross multiply
3,811,716.08x = 5,260,259.50 × 2,069,458.76 - Step 4: Simplify right side
3,811,716.08x = 10,885,890,110,125.22 - Step 5: Solve for x
x = 10,885,890,110,125.22/3,811,716.08 - Step 6: Final answer
x = 2,855,902.67
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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.