Home / 2,009,286.60-3,012,180.24-1,209,719.40

Finding the Fourth Proportional to 2,009,286.60, 3,012,180.24 and 1,209,719.40

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Solution

The fourth proportional to 2,009,286.60, 3,012,180.24 and 1,209,719.40 is: 1,813,525.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,009,286.60 : 3,012,180.24 = 1,209,719.40 : x
  2. Step 2: Convert to fraction form
    2,009,286.60/3,012,180.24 = 1,209,719.40/x
  3. Step 3: Cross multiply
    2,009,286.60x = 3,012,180.24 × 1,209,719.40
  4. Step 4: Simplify right side
    2,009,286.60x = 3,643,892,872,624.66
  5. Step 5: Solve for x
    x = 3,643,892,872,624.66/2,009,286.60
  6. Step 6: Final answer
    x = 1,813,525.69

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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.