Home / 2,258,395.20-3,388,112.16-660,920.64

Finding the Fourth Proportional to 2,258,395.20, 3,388,112.16 and 660,920.64

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Solution

The fourth proportional to 2,258,395.20, 3,388,112.16 and 660,920.64 is: 991,532.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,258,395.20 : 3,388,112.16 = 660,920.64 : x
  2. Step 2: Convert to fraction form
    2,258,395.20/3,388,112.16 = 660,920.64/x
  3. Step 3: Cross multiply
    2,258,395.20x = 3,388,112.16 × 660,920.64
  4. Step 4: Simplify right side
    2,258,395.20x = 2,239,273,257,178.98
  5. Step 5: Solve for x
    x = 2,239,273,257,178.98/2,258,395.20
  6. Step 6: Final answer
    x = 991,532.95

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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.