Home / 3,785,647.40-5,678,471.10-1,126,255.40

Finding the Fourth Proportional to 3,785,647.40, 5,678,471.10 and 1,126,255.40

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Solution

The fourth proportional to 3,785,647.40, 5,678,471.10 and 1,126,255.40 is: 1,689,383.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,785,647.40 : 5,678,471.10 = 1,126,255.40 : x
  2. Step 2: Convert to fraction form
    3,785,647.40/5,678,471.10 = 1,126,255.40/x
  3. Step 3: Cross multiply
    3,785,647.40x = 5,678,471.10 × 1,126,255.40
  4. Step 4: Simplify right side
    3,785,647.40x = 6,395,408,740,118.94
  5. Step 5: Solve for x
    x = 6,395,408,740,118.94/3,785,647.40
  6. Step 6: Final answer
    x = 1,689,383.10

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Similar ratio
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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.