Finding the Fourth Proportional to 2,673,449.12, 4,010,107.04 and 780,206.96
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Solution
The fourth proportional to 2,673,449.12, 4,010,107.04 and 780,206.96 is: 1,170,290.99
Step by Step Solution
- Step 1: Write the proportion equation
2,673,449.12 : 4,010,107.04 = 780,206.96 : x - Step 2: Convert to fraction form
2,673,449.12/4,010,107.04 = 780,206.96/x - Step 3: Cross multiply
2,673,449.12x = 4,010,107.04 × 780,206.96 - Step 4: Simplify right side
2,673,449.12x = 3,128,713,422,953.00 - Step 5: Solve for x
x = 3,128,713,422,953.00/2,673,449.12 - Step 6: Final answer
x = 1,170,290.99
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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.