Home / 2,628,709.20-3,944,100.60-1,031,000.40

Finding the Fourth Proportional to 2,628,709.20, 3,944,100.60 and 1,031,000.40

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Solution

The fourth proportional to 2,628,709.20, 3,944,100.60 and 1,031,000.40 is: 1,546,907.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,628,709.20 : 3,944,100.60 = 1,031,000.40 : x
  2. Step 2: Convert to fraction form
    2,628,709.20/3,944,100.60 = 1,031,000.40/x
  3. Step 3: Cross multiply
    2,628,709.20x = 3,944,100.60 × 1,031,000.40
  4. Step 4: Simplify right side
    2,628,709.20x = 4,066,369,296,240.24
  5. Step 5: Solve for x
    x = 4,066,369,296,240.24/2,628,709.20
  6. Step 6: Final answer
    x = 1,546,907.24

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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.