Home / 3,930,389.38-5,892,077.76-1,533,676.60

Finding the Fourth Proportional to 3,930,389.38, 5,892,077.76 and 1,533,676.60

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Solution

The fourth proportional to 3,930,389.38, 5,892,077.76 and 1,533,676.60 is: 2,299,146.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,930,389.38 : 5,892,077.76 = 1,533,676.60 : x
  2. Step 2: Convert to fraction form
    3,930,389.38/5,892,077.76 = 1,533,676.60/x
  3. Step 3: Cross multiply
    3,930,389.38x = 5,892,077.76 × 1,533,676.60
  4. Step 4: Simplify right side
    3,930,389.38x = 9,036,541,785,892.42
  5. Step 5: Solve for x
    x = 9,036,541,785,892.42/3,930,389.38
  6. Step 6: Final answer
    x = 2,299,146.70

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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.