Finding the Fourth Proportional to 6,765,107.74, 10,149,355.05 and 1,972,797.55
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Solution
The fourth proportional to 6,765,107.74, 10,149,355.05 and 1,972,797.55 is: 2,959,690.16
Step by Step Solution
- Step 1: Write the proportion equation
6,765,107.74 : 10,149,355.05 = 1,972,797.55 : x - Step 2: Convert to fraction form
6,765,107.74/10,149,355.05 = 1,972,797.55/x - Step 3: Cross multiply
6,765,107.74x = 10,149,355.05 × 1,972,797.55 - Step 4: Simplify right side
6,765,107.74x = 20,022,622,776,720.13 - Step 5: Solve for x
x = 20,022,622,776,720.13/6,765,107.74 - Step 6: Final answer
x = 2,959,690.16
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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.