Finding the Fourth Proportional to 4,121,773.60, 6,183,121.20 and 1,281,863.20
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Solution
The fourth proportional to 4,121,773.60, 6,183,121.20 and 1,281,863.20 is: 1,922,938.11
Step by Step Solution
- Step 1: Write the proportion equation
4,121,773.60 : 6,183,121.20 = 1,281,863.20 : x - Step 2: Convert to fraction form
4,121,773.60/6,183,121.20 = 1,281,863.20/x - Step 3: Cross multiply
4,121,773.60x = 6,183,121.20 × 1,281,863.20 - Step 4: Simplify right side
4,121,773.60x = 7,925,915,527,419.84 - Step 5: Solve for x
x = 7,925,915,527,419.84/4,121,773.60 - Step 6: Final answer
x = 1,922,938.11
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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.