Home / 3,899,867.54-5,381,798.83-2,180,994.89

Finding the Fourth Proportional to 3,899,867.54, 5,381,798.83 and 2,180,994.89

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Solution

The fourth proportional to 3,899,867.54, 5,381,798.83 and 2,180,994.89 is: 3,009,762.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,899,867.54 : 5,381,798.83 = 2,180,994.89 : x
  2. Step 2: Convert to fraction form
    3,899,867.54/5,381,798.83 = 2,180,994.89/x
  3. Step 3: Cross multiply
    3,899,867.54x = 5,381,798.83 × 2,180,994.89
  4. Step 4: Simplify right side
    3,899,867.54x = 11,737,675,714,876.50
  5. Step 5: Solve for x
    x = 11,737,675,714,876.50/3,899,867.54
  6. Step 6: Final answer
    x = 3,009,762.67

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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.