Finding the Fourth Proportional to 1,786,378.14, 2,679,563.16 and 775,369.08
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Solution
The fourth proportional to 1,786,378.14, 2,679,563.16 and 775,369.08 is: 1,163,051.86
Step by Step Solution
- Step 1: Write the proportion equation
1,786,378.14 : 2,679,563.16 = 775,369.08 : x - Step 2: Convert to fraction form
1,786,378.14/2,679,563.16 = 775,369.08/x - Step 3: Cross multiply
1,786,378.14x = 2,679,563.16 × 775,369.08 - Step 4: Simplify right side
1,786,378.14x = 2,077,650,422,171.09 - Step 5: Solve for x
x = 2,077,650,422,171.09/1,786,378.14 - Step 6: Final answer
x = 1,163,051.86
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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.