Finding the Fourth Proportional to 2,712,303.75, 3,743,154.14 and 1,505,079.75
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Solution
The fourth proportional to 2,712,303.75, 3,743,154.14 and 1,505,079.75 is: 2,077,107.14
Step by Step Solution
- Step 1: Write the proportion equation
2,712,303.75 : 3,743,154.14 = 1,505,079.75 : x - Step 2: Convert to fraction form
2,712,303.75/3,743,154.14 = 1,505,079.75/x - Step 3: Cross multiply
2,712,303.75x = 3,743,154.14 × 1,505,079.75 - Step 4: Simplify right side
2,712,303.75x = 5,633,745,489,717.27 - Step 5: Solve for x
x = 5,633,745,489,717.27/2,712,303.75 - Step 6: Final answer
x = 2,077,107.14
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.