Home / 2,961,920.40-4,442,405.40-1,067,686.80

Finding the Fourth Proportional to 2,961,920.40, 4,442,405.40 and 1,067,686.80

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Solution

The fourth proportional to 2,961,920.40, 4,442,405.40 and 1,067,686.80 is: 1,601,358.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,961,920.40 : 4,442,405.40 = 1,067,686.80 : x
  2. Step 2: Convert to fraction form
    2,961,920.40/4,442,405.40 = 1,067,686.80/x
  3. Step 3: Cross multiply
    2,961,920.40x = 4,442,405.40 × 1,067,686.80
  4. Step 4: Simplify right side
    2,961,920.40x = 4,743,097,605,828.72
  5. Step 5: Solve for x
    x = 4,743,097,605,828.72/2,961,920.40
  6. Step 6: Final answer
    x = 1,601,358.90

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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.