Home / 2,961,009.68-4,089,836.80-2,143,919.76

Finding the Fourth Proportional to 2,961,009.68, 4,089,836.80 and 2,143,919.76

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Solution

The fourth proportional to 2,961,009.68, 4,089,836.80 and 2,143,919.76 is: 2,961,247.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,961,009.68 : 4,089,836.80 = 2,143,919.76 : x
  2. Step 2: Convert to fraction form
    2,961,009.68/4,089,836.80 = 2,143,919.76/x
  3. Step 3: Cross multiply
    2,961,009.68x = 4,089,836.80 × 2,143,919.76
  4. Step 4: Simplify right side
    2,961,009.68x = 8,768,281,930,695.17
  5. Step 5: Solve for x
    x = 8,768,281,930,695.17/2,961,009.68
  6. Step 6: Final answer
    x = 2,961,247.30

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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.