Finding the Fourth Proportional to 1,819,444.20, 2,729,166.30 and 557,107.80
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Solution
The fourth proportional to 1,819,444.20, 2,729,166.30 and 557,107.80 is: 835,661.70
Step by Step Solution
- Step 1: Write the proportion equation
1,819,444.20 : 2,729,166.30 = 557,107.80 : x - Step 2: Convert to fraction form
1,819,444.20/2,729,166.30 = 557,107.80/x - Step 3: Cross multiply
1,819,444.20x = 2,729,166.30 × 557,107.80 - Step 4: Simplify right side
1,819,444.20x = 1,520,439,833,227.14 - Step 5: Solve for x
x = 1,520,439,833,227.14/1,819,444.20 - Step 6: Final answer
x = 835,661.70
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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.