Finding the Fourth Proportional to 2,079,887.76, 3,119,832.60 and 750,191.76
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Solution
The fourth proportional to 2,079,887.76, 3,119,832.60 and 750,191.76 is: 1,125,287.99
Step by Step Solution
- Step 1: Write the proportion equation
2,079,887.76 : 3,119,832.60 = 750,191.76 : x - Step 2: Convert to fraction form
2,079,887.76/3,119,832.60 = 750,191.76/x - Step 3: Cross multiply
2,079,887.76x = 3,119,832.60 × 750,191.76 - Step 4: Simplify right side
2,079,887.76x = 2,340,472,709,099.38 - Step 5: Solve for x
x = 2,340,472,709,099.38/2,079,887.76 - Step 6: Final answer
x = 1,125,287.99
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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.