Finding the Fourth Proportional to 2,183,829.96, 3,278,077.74 and 1,239,045.96
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Solution
The fourth proportional to 2,183,829.96, 3,278,077.74 and 1,239,045.96 is: 1,859,892.51
Step by Step Solution
- Step 1: Write the proportion equation
2,183,829.96 : 3,278,077.74 = 1,239,045.96 : x - Step 2: Convert to fraction form
2,183,829.96/3,278,077.74 = 1,239,045.96/x - Step 3: Cross multiply
2,183,829.96x = 3,278,077.74 × 1,239,045.96 - Step 4: Simplify right side
2,183,829.96x = 4,061,688,980,312.93 - Step 5: Solve for x
x = 4,061,688,980,312.93/2,183,829.96 - Step 6: Final answer
x = 1,859,892.51
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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.