Home / 2,892,585.60-4,340,433.60-1,209,859.20

Finding the Fourth Proportional to 2,892,585.60, 4,340,433.60 and 1,209,859.20

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Solution

The fourth proportional to 2,892,585.60, 4,340,433.60 and 1,209,859.20 is: 1,815,439.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,892,585.60 : 4,340,433.60 = 1,209,859.20 : x
  2. Step 2: Convert to fraction form
    2,892,585.60/4,340,433.60 = 1,209,859.20/x
  3. Step 3: Cross multiply
    2,892,585.60x = 4,340,433.60 × 1,209,859.20
  4. Step 4: Simplify right side
    2,892,585.60x = 5,251,313,522,949.12
  5. Step 5: Solve for x
    x = 5,251,313,522,949.12/2,892,585.60
  6. Step 6: Final answer
    x = 1,815,439.28

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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.