Finding the Fourth Proportional to 2,519,487.10, 3,779,230.65 and 1,381,809.70
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Solution
The fourth proportional to 2,519,487.10, 3,779,230.65 and 1,381,809.70 is: 2,072,714.55
Step by Step Solution
- Step 1: Write the proportion equation
2,519,487.10 : 3,779,230.65 = 1,381,809.70 : x - Step 2: Convert to fraction form
2,519,487.10/3,779,230.65 = 1,381,809.70/x - Step 3: Cross multiply
2,519,487.10x = 3,779,230.65 × 1,381,809.70 - Step 4: Simplify right side
2,519,487.10x = 5,222,177,570,707.31 - Step 5: Solve for x
x = 5,222,177,570,707.31/2,519,487.10 - Step 6: Final answer
x = 2,072,714.55
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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.