Finding the Fourth Proportional to 2,680,634.20, 4,020,173.70 and 974,579.80
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Solution
The fourth proportional to 2,680,634.20, 4,020,173.70 and 974,579.80 is: 1,461,586.99
Step by Step Solution
- Step 1: Write the proportion equation
2,680,634.20 : 4,020,173.70 = 974,579.80 : x - Step 2: Convert to fraction form
2,680,634.20/4,020,173.70 = 974,579.80/x - Step 3: Cross multiply
2,680,634.20x = 4,020,173.70 × 974,579.80 - Step 4: Simplify right side
2,680,634.20x = 3,917,980,080,511.26 - Step 5: Solve for x
x = 3,917,980,080,511.26/2,680,634.20 - Step 6: Final answer
x = 1,461,586.99
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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.