Finding the Fourth Proportional to 2,780,471.70, 3,833,781.84 and 2,228,746.32
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Solution
The fourth proportional to 2,780,471.70, 3,833,781.84 and 2,228,746.32 is: 3,073,049.50
Step by Step Solution
- Step 1: Write the proportion equation
2,780,471.70 : 3,833,781.84 = 2,228,746.32 : x - Step 2: Convert to fraction form
2,780,471.70/3,833,781.84 = 2,228,746.32/x - Step 3: Cross multiply
2,780,471.70x = 3,833,781.84 × 2,228,746.32 - Step 4: Simplify right side
2,780,471.70x = 8,544,527,167,582.83 - Step 5: Solve for x
x = 8,544,527,167,582.83/2,780,471.70 - Step 6: Final answer
x = 3,073,049.50
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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.