Home / 3,209,101.76-4,813,785.76-2,647,089.60

Finding the Fourth Proportional to 3,209,101.76, 4,813,785.76 and 2,647,089.60

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Solution

The fourth proportional to 3,209,101.76, 4,813,785.76 and 2,647,089.60 is: 3,970,744.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,209,101.76 : 4,813,785.76 = 2,647,089.60 : x
  2. Step 2: Convert to fraction form
    3,209,101.76/4,813,785.76 = 2,647,089.60/x
  3. Step 3: Cross multiply
    3,209,101.76x = 4,813,785.76 × 2,647,089.60
  4. Step 4: Simplify right side
    3,209,101.76x = 12,742,522,221,924.10
  5. Step 5: Solve for x
    x = 12,742,522,221,924.10/3,209,101.76
  6. Step 6: Final answer
    x = 3,970,744.21

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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.