Finding the Fourth Proportional to 2,867,370.74, 3,956,941.12 and 1,578,183.42
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Solution
The fourth proportional to 2,867,370.74, 3,956,941.12 and 1,578,183.42 is: 2,177,876.33
Step by Step Solution
- Step 1: Write the proportion equation
2,867,370.74 : 3,956,941.12 = 1,578,183.42 : x - Step 2: Convert to fraction form
2,867,370.74/3,956,941.12 = 1,578,183.42/x - Step 3: Cross multiply
2,867,370.74x = 3,956,941.12 × 1,578,183.42 - Step 4: Simplify right side
2,867,370.74x = 6,244,778,869,500.23 - Step 5: Solve for x
x = 6,244,778,869,500.23/2,867,370.74 - Step 6: Final answer
x = 2,177,876.33
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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.