Finding the Fourth Proportional to 2,029,966.56, 2,801,652.12 and 1,170,358.56
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Solution
The fourth proportional to 2,029,966.56, 2,801,652.12 and 1,170,358.56 is: 1,615,266.78
Step by Step Solution
- Step 1: Write the proportion equation
2,029,966.56 : 2,801,652.12 = 1,170,358.56 : x - Step 2: Convert to fraction form
2,029,966.56/2,801,652.12 = 1,170,358.56/x - Step 3: Cross multiply
2,029,966.56x = 2,801,652.12 × 1,170,358.56 - Step 4: Simplify right side
2,029,966.56x = 3,278,937,540,784.15 - Step 5: Solve for x
x = 3,278,937,540,784.15/2,029,966.56 - Step 6: Final answer
x = 1,615,266.78
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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.