Finding the Fourth Proportional to 2,082,729.06, 2,874,432.36 and 1,165,009.20
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Solution
The fourth proportional to 2,082,729.06, 2,874,432.36 and 1,165,009.20 is: 1,607,861.63
Step by Step Solution
- Step 1: Write the proportion equation
2,082,729.06 : 2,874,432.36 = 1,165,009.20 : x - Step 2: Convert to fraction form
2,082,729.06/2,874,432.36 = 1,165,009.20/x - Step 3: Cross multiply
2,082,729.06x = 2,874,432.36 × 1,165,009.20 - Step 4: Simplify right side
2,082,729.06x = 3,348,740,144,177.71 - Step 5: Solve for x
x = 3,348,740,144,177.71/2,082,729.06 - Step 6: Final answer
x = 1,607,861.63
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.