Home / 2,568,357.60-3,848,389.20-1,620,031.20

Finding the Fourth Proportional to 2,568,357.60, 3,848,389.20 and 1,620,031.20

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Solution

The fourth proportional to 2,568,357.60, 3,848,389.20 and 1,620,031.20 is: 2,427,430.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,568,357.60 : 3,848,389.20 = 1,620,031.20 : x
  2. Step 2: Convert to fraction form
    2,568,357.60/3,848,389.20 = 1,620,031.20/x
  3. Step 3: Cross multiply
    2,568,357.60x = 3,848,389.20 × 1,620,031.20
  4. Step 4: Simplify right side
    2,568,357.60x = 6,234,510,573,743.04
  5. Step 5: Solve for x
    x = 6,234,510,573,743.04/2,568,357.60
  6. Step 6: Final answer
    x = 2,427,430.89

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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.