Home / 1,660,660.60-2,489,435.70-1,300,631.80

Finding the Fourth Proportional to 1,660,660.60, 2,489,435.70 and 1,300,631.80

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Solution

The fourth proportional to 1,660,660.60, 2,489,435.70 and 1,300,631.80 is: 1,949,729.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,660,660.60 : 2,489,435.70 = 1,300,631.80 : x
  2. Step 2: Convert to fraction form
    1,660,660.60/2,489,435.70 = 1,300,631.80/x
  3. Step 3: Cross multiply
    1,660,660.60x = 2,489,435.70 × 1,300,631.80
  4. Step 4: Simplify right side
    1,660,660.60x = 3,237,839,235,475.26
  5. Step 5: Solve for x
    x = 3,237,839,235,475.26/1,660,660.60
  6. Step 6: Final answer
    x = 1,949,729.67

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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.