Finding the Fourth Proportional to 2,820,768.19, 3,892,660.11 and 1,613,544.19
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Solution
The fourth proportional to 2,820,768.19, 3,892,660.11 and 1,613,544.19 is: 2,226,690.99
Step by Step Solution
- Step 1: Write the proportion equation
2,820,768.19 : 3,892,660.11 = 1,613,544.19 : x - Step 2: Convert to fraction form
2,820,768.19/3,892,660.11 = 1,613,544.19/x - Step 3: Cross multiply
2,820,768.19x = 3,892,660.11 × 1,613,544.19 - Step 4: Simplify right side
2,820,768.19x = 6,280,979,094,403.61 - Step 5: Solve for x
x = 6,280,979,094,403.61/2,820,768.19 - Step 6: Final answer
x = 2,226,690.99
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1.5x scale
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.