Home / 3,899,250.56-5,380,935.36-2,180,374.40

Finding the Fourth Proportional to 3,899,250.56, 5,380,935.36 and 2,180,374.40

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Solution

The fourth proportional to 3,899,250.56, 5,380,935.36 and 2,180,374.40 is: 3,008,899.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,899,250.56 : 5,380,935.36 = 2,180,374.40 : x
  2. Step 2: Convert to fraction form
    3,899,250.56/5,380,935.36 = 2,180,374.40/x
  3. Step 3: Cross multiply
    3,899,250.56x = 5,380,935.36 × 2,180,374.40
  4. Step 4: Simplify right side
    3,899,250.56x = 11,732,453,706,998.79
  5. Step 5: Solve for x
    x = 11,732,453,706,998.79/3,899,250.56
  6. Step 6: Final answer
    x = 3,008,899.67

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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.