Finding the Fourth Proportional to 1,813,471.91, 2,720,109.42 and 551,201.12
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Solution
The fourth proportional to 1,813,471.91, 2,720,109.42 and 551,201.12 is: 826,771.76
Step by Step Solution
- Step 1: Write the proportion equation
1,813,471.91 : 2,720,109.42 = 551,201.12 : x - Step 2: Convert to fraction form
1,813,471.91/2,720,109.42 = 551,201.12/x - Step 3: Cross multiply
1,813,471.91x = 2,720,109.42 × 551,201.12 - Step 4: Simplify right side
1,813,471.91x = 1,499,327,358,826.55 - Step 5: Solve for x
x = 1,499,327,358,826.55/1,813,471.91 - Step 6: Final answer
x = 826,771.76
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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.