Finding the Fourth Proportional to 3,878,660.70, 5,809,133.70 and 2,284,337.70
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Solution
The fourth proportional to 3,878,660.70, 5,809,133.70 and 2,284,337.70 is: 3,421,290.01
Step by Step Solution
- Step 1: Write the proportion equation
3,878,660.70 : 5,809,133.70 = 2,284,337.70 : x - Step 2: Convert to fraction form
3,878,660.70/5,809,133.70 = 2,284,337.70/x - Step 3: Cross multiply
3,878,660.70x = 5,809,133.70 × 2,284,337.70 - Step 4: Simplify right side
3,878,660.70x = 13,270,023,115,250.49 - Step 5: Solve for x
x = 13,270,023,115,250.49/3,878,660.70 - Step 6: Final answer
x = 3,421,290.01
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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.