Finding the Fourth Proportional to 2,289,230.10, 3,435,400.35 and 1,278,350.10
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Solution
The fourth proportional to 2,289,230.10, 3,435,400.35 and 1,278,350.10 is: 1,918,393.60
Step by Step Solution
- Step 1: Write the proportion equation
2,289,230.10 : 3,435,400.35 = 1,278,350.10 : x - Step 2: Convert to fraction form
2,289,230.10/3,435,400.35 = 1,278,350.10/x - Step 3: Cross multiply
2,289,230.10x = 3,435,400.35 × 1,278,350.10 - Step 4: Simplify right side
2,289,230.10x = 4,391,644,380,962.54 - Step 5: Solve for x
x = 4,391,644,380,962.54/2,289,230.10 - Step 6: Final answer
x = 1,918,393.60
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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.