Finding the Fourth Proportional to 1,817,867.68, 2,726,506.19 and 858,321.43
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Solution
The fourth proportional to 1,817,867.68, 2,726,506.19 and 858,321.43 is: 1,287,342.70
Step by Step Solution
- Step 1: Write the proportion equation
1,817,867.68 : 2,726,506.19 = 858,321.43 : x - Step 2: Convert to fraction form
1,817,867.68/2,726,506.19 = 858,321.43/x - Step 3: Cross multiply
1,817,867.68x = 2,726,506.19 × 858,321.43 - Step 4: Simplify right side
1,817,867.68x = 2,340,218,687,234.19 - Step 5: Solve for x
x = 2,340,218,687,234.19/1,817,867.68 - Step 6: Final answer
x = 1,287,342.70
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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.