Home / 3,855,000.30-5,782,500.45-2,735,256.30

Finding the Fourth Proportional to 3,855,000.30, 5,782,500.45 and 2,735,256.30

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Solution

The fourth proportional to 3,855,000.30, 5,782,500.45 and 2,735,256.30 is: 4,102,884.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,855,000.30 : 5,782,500.45 = 2,735,256.30 : x
  2. Step 2: Convert to fraction form
    3,855,000.30/5,782,500.45 = 2,735,256.30/x
  3. Step 3: Cross multiply
    3,855,000.30x = 5,782,500.45 × 2,735,256.30
  4. Step 4: Simplify right side
    3,855,000.30x = 15,816,620,785,615.33
  5. Step 5: Solve for x
    x = 15,816,620,785,615.33/3,855,000.30
  6. Step 6: Final answer
    x = 4,102,884.45

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1.5x scale

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.