Home / 2,798,067.30-4,197,100.88-776,311.52

Finding the Fourth Proportional to 2,798,067.30, 4,197,100.88 and 776,311.52

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Solution

The fourth proportional to 2,798,067.30, 4,197,100.88 and 776,311.52 is: 1,164,467.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,798,067.30 : 4,197,100.88 = 776,311.52 : x
  2. Step 2: Convert to fraction form
    2,798,067.30/4,197,100.88 = 776,311.52/x
  3. Step 3: Cross multiply
    2,798,067.30x = 4,197,100.88 × 776,311.52
  4. Step 4: Simplify right side
    2,798,067.30x = 3,258,257,763,746.14
  5. Step 5: Solve for x
    x = 3,258,257,763,746.14/2,798,067.30
  6. Step 6: Final answer
    x = 1,164,467.26

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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.