Finding the Fourth Proportional to 2,948,292.88, 4,422,464.09 and 818,543.08
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Solution
The fourth proportional to 2,948,292.88, 4,422,464.09 and 818,543.08 is: 1,227,821.50
Step by Step Solution
- Step 1: Write the proportion equation
2,948,292.88 : 4,422,464.09 = 818,543.08 : x - Step 2: Convert to fraction form
2,948,292.88/4,422,464.09 = 818,543.08/x - Step 3: Cross multiply
2,948,292.88x = 4,422,464.09 × 818,543.08 - Step 4: Simplify right side
2,948,292.88x = 3,619,977,377,418.00 - Step 5: Solve for x
x = 3,619,977,377,418.00/2,948,292.88 - Step 6: Final answer
x = 1,227,821.50
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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.