Finding the Fourth Proportional to 2,830,463.10, 4,241,766.68 and 1,289,693.08
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Solution
The fourth proportional to 2,830,463.10, 4,241,766.68 and 1,289,693.08 is: 1,932,749.85
Step by Step Solution
- Step 1: Write the proportion equation
2,830,463.10 : 4,241,766.68 = 1,289,693.08 : x - Step 2: Convert to fraction form
2,830,463.10/4,241,766.68 = 1,289,693.08/x - Step 3: Cross multiply
2,830,463.10x = 4,241,766.68 × 1,289,693.08 - Step 4: Simplify right side
2,830,463.10x = 5,470,577,134,170.57 - Step 5: Solve for x
x = 5,470,577,134,170.57/2,830,463.10 - Step 6: Final answer
x = 1,932,749.85
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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.