Finding the Fourth Proportional to 2,612,909.75, 3,919,924.58 and 907,107.15
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Solution
The fourth proportional to 2,612,909.75, 3,919,924.58 and 907,107.15 is: 1,360,855.13
Step by Step Solution
- Step 1: Write the proportion equation
2,612,909.75 : 3,919,924.58 = 907,107.15 : x - Step 2: Convert to fraction form
2,612,909.75/3,919,924.58 = 907,107.15/x - Step 3: Cross multiply
2,612,909.75x = 3,919,924.58 × 907,107.15 - Step 4: Simplify right side
2,612,909.75x = 3,555,791,629,245.41 - Step 5: Solve for x
x = 3,555,791,629,245.41/2,612,909.75 - Step 6: Final answer
x = 1,360,855.13
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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.