Finding the Fourth Proportional to 2,765,878.24, 3,814,375.44 and 1,895,977.12
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Solution
The fourth proportional to 2,765,878.24, 3,814,375.44 and 1,895,977.12 is: 2,614,709.66
Step by Step Solution
- Step 1: Write the proportion equation
2,765,878.24 : 3,814,375.44 = 1,895,977.12 : x - Step 2: Convert to fraction form
2,765,878.24/3,814,375.44 = 1,895,977.12/x - Step 3: Cross multiply
2,765,878.24x = 3,814,375.44 × 1,895,977.12 - Step 4: Simplify right side
2,765,878.24x = 7,231,968,561,329.93 - Step 5: Solve for x
x = 7,231,968,561,329.93/2,765,878.24 - Step 6: Final answer
x = 2,614,709.66
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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.