Home / 6,447,698.64-9,671,198.04-1,959,624.72

Finding the Fourth Proportional to 6,447,698.64, 9,671,198.04 and 1,959,624.72

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Solution

The fourth proportional to 6,447,698.64, 9,671,198.04 and 1,959,624.72 is: 2,939,330.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,447,698.64 : 9,671,198.04 = 1,959,624.72 : x
  2. Step 2: Convert to fraction form
    6,447,698.64/9,671,198.04 = 1,959,624.72/x
  3. Step 3: Cross multiply
    6,447,698.64x = 9,671,198.04 × 1,959,624.72
  4. Step 4: Simplify right side
    6,447,698.64x = 18,951,918,751,199.55
  5. Step 5: Solve for x
    x = 18,951,918,751,199.55/6,447,698.64
  6. Step 6: Final answer
    x = 2,939,330.73

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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.