Finding the Fourth Proportional to 1,449,515.70, 2,173,529.76 and 766,771.08
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Solution
The fourth proportional to 1,449,515.70, 2,173,529.76 and 766,771.08 is: 1,149,763.17
Step by Step Solution
- Step 1: Write the proportion equation
1,449,515.70 : 2,173,529.76 = 766,771.08 : x - Step 2: Convert to fraction form
1,449,515.70/2,173,529.76 = 766,771.08/x - Step 3: Cross multiply
1,449,515.70x = 2,173,529.76 × 766,771.08 - Step 4: Simplify right side
1,449,515.70x = 1,666,599,761,487.34 - Step 5: Solve for x
x = 1,666,599,761,487.34/1,449,515.70 - Step 6: Final answer
x = 1,149,763.17
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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.