Home / 3,219,995.20-4,829,992.80-2,899,278.40

Finding the Fourth Proportional to 3,219,995.20, 4,829,992.80 and 2,899,278.40

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Solution

The fourth proportional to 3,219,995.20, 4,829,992.80 and 2,899,278.40 is: 4,348,917.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,219,995.20 : 4,829,992.80 = 2,899,278.40 : x
  2. Step 2: Convert to fraction form
    3,219,995.20/4,829,992.80 = 2,899,278.40/x
  3. Step 3: Cross multiply
    3,219,995.20x = 4,829,992.80 × 2,899,278.40
  4. Step 4: Simplify right side
    3,219,995.20x = 14,003,493,797,195.52
  5. Step 5: Solve for x
    x = 14,003,493,797,195.52/3,219,995.20
  6. Step 6: Final answer
    x = 4,348,917.60

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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.