Home / 3,447,826.12-4,757,815.56-1,977,659.92

Finding the Fourth Proportional to 3,447,826.12, 4,757,815.56 and 1,977,659.92

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Solution

The fourth proportional to 3,447,826.12, 4,757,815.56 and 1,977,659.92 is: 2,729,064.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,447,826.12 : 4,757,815.56 = 1,977,659.92 : x
  2. Step 2: Convert to fraction form
    3,447,826.12/4,757,815.56 = 1,977,659.92/x
  3. Step 3: Cross multiply
    3,447,826.12x = 4,757,815.56 × 1,977,659.92
  4. Step 4: Simplify right side
    3,447,826.12x = 9,409,341,139,764.35
  5. Step 5: Solve for x
    x = 9,409,341,139,764.35/3,447,826.12
  6. Step 6: Final answer
    x = 2,729,064.87

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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.