Home / 2,801,067.80-4,201,601.70-779,307.80

Finding the Fourth Proportional to 2,801,067.80, 4,201,601.70 and 779,307.80

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Solution

The fourth proportional to 2,801,067.80, 4,201,601.70 and 779,307.80 is: 1,168,961.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,801,067.80 : 4,201,601.70 = 779,307.80 : x
  2. Step 2: Convert to fraction form
    2,801,067.80/4,201,601.70 = 779,307.80/x
  3. Step 3: Cross multiply
    2,801,067.80x = 4,201,601.70 × 779,307.80
  4. Step 4: Simplify right side
    2,801,067.80x = 3,274,340,977,303.26
  5. Step 5: Solve for x
    x = 3,274,340,977,303.26/2,801,067.80
  6. Step 6: Final answer
    x = 1,168,961.70

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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.