Finding the Fourth Proportional to 1,817,812.70, 2,726,693.45 and 820,539.10
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Solution
The fourth proportional to 1,817,812.70, 2,726,693.45 and 820,539.10 is: 1,230,797.09
Step by Step Solution
- Step 1: Write the proportion equation
1,817,812.70 : 2,726,693.45 = 820,539.10 : x - Step 2: Convert to fraction form
1,817,812.70/2,726,693.45 = 820,539.10/x - Step 3: Cross multiply
1,817,812.70x = 2,726,693.45 × 820,539.10 - Step 4: Simplify right side
1,817,812.70x = 2,237,358,589,438.90 - Step 5: Solve for x
x = 2,237,358,589,438.90/1,817,812.70 - Step 6: Final answer
x = 1,230,797.09
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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.