Finding the Fourth Proportional to 1,815,812.76, 2,720,175.84 and 1,414,574.84
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Solution
The fourth proportional to 1,815,812.76, 2,720,175.84 and 1,414,574.84 is: 2,119,101.92
Step by Step Solution
- Step 1: Write the proportion equation
1,815,812.76 : 2,720,175.84 = 1,414,574.84 : x - Step 2: Convert to fraction form
1,815,812.76/2,720,175.84 = 1,414,574.84/x - Step 3: Cross multiply
1,815,812.76x = 2,720,175.84 × 1,414,574.84 - Step 4: Simplify right side
1,815,812.76x = 3,847,892,303,639.87 - Step 5: Solve for x
x = 3,847,892,303,639.87/1,815,812.76 - Step 6: Final answer
x = 2,119,101.92
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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.