Finding the Fourth Proportional to 1,720,226.99, 2,373,974.16 and 945,916.76
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Solution
The fourth proportional to 1,720,226.99, 2,373,974.16 and 945,916.76 is: 1,305,398.62
Step by Step Solution
- Step 1: Write the proportion equation
1,720,226.99 : 2,373,974.16 = 945,916.76 : x - Step 2: Convert to fraction form
1,720,226.99/2,373,974.16 = 945,916.76/x - Step 3: Cross multiply
1,720,226.99x = 2,373,974.16 × 945,916.76 - Step 4: Simplify right side
1,720,226.99x = 2,245,581,945,750.92 - Step 5: Solve for x
x = 2,245,581,945,750.92/1,720,226.99 - Step 6: Final answer
x = 1,305,398.62
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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.