Finding the Fourth Proportional to 2,589,515.44, 3,885,079.36 and 767,890.07
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Solution
The fourth proportional to 2,589,515.44, 3,885,079.36 and 767,890.07 is: 1,152,074.17
Step by Step Solution
- Step 1: Write the proportion equation
2,589,515.44 : 3,885,079.36 = 767,890.07 : x - Step 2: Convert to fraction form
2,589,515.44/3,885,079.36 = 767,890.07/x - Step 3: Cross multiply
2,589,515.44x = 3,885,079.36 × 767,890.07 - Step 4: Simplify right side
2,589,515.44x = 2,983,313,861,705.96 - Step 5: Solve for x
x = 2,983,313,861,705.96/2,589,515.44 - Step 6: Final answer
x = 1,152,074.17
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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.