Finding the Fourth Proportional to 2,271,021.18, 3,405,264.75 and 753,880.20
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Solution
The fourth proportional to 2,271,021.18, 3,405,264.75 and 753,880.20 is: 1,130,399.70
Step by Step Solution
- Step 1: Write the proportion equation
2,271,021.18 : 3,405,264.75 = 753,880.20 : x - Step 2: Convert to fraction form
2,271,021.18/3,405,264.75 = 753,880.20/x - Step 3: Cross multiply
2,271,021.18x = 3,405,264.75 × 753,880.20 - Step 4: Simplify right side
2,271,021.18x = 2,567,161,670,782.95 - Step 5: Solve for x
x = 2,567,161,670,782.95/2,271,021.18 - Step 6: Final answer
x = 1,130,399.70
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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.