Finding the Fourth Proportional to 2,219,782.40, 3,329,059.20 and 890,220.80
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Solution
The fourth proportional to 2,219,782.40, 3,329,059.20 and 890,220.80 is: 1,335,084.80
Step by Step Solution
- Step 1: Write the proportion equation
2,219,782.40 : 3,329,059.20 = 890,220.80 : x - Step 2: Convert to fraction form
2,219,782.40/3,329,059.20 = 890,220.80/x - Step 3: Cross multiply
2,219,782.40x = 3,329,059.20 × 890,220.80 - Step 4: Simplify right side
2,219,782.40x = 2,963,597,744,271.36 - Step 5: Solve for x
x = 2,963,597,744,271.36/2,219,782.40 - Step 6: Final answer
x = 1,335,084.80
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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.