Home / 1,400,544.80-2,100,817.20-1,339,114.40

Finding the Fourth Proportional to 1,400,544.80, 2,100,817.20 and 1,339,114.40

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Solution

The fourth proportional to 1,400,544.80, 2,100,817.20 and 1,339,114.40 is: 2,008,671.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,400,544.80 : 2,100,817.20 = 1,339,114.40 : x
  2. Step 2: Convert to fraction form
    1,400,544.80/2,100,817.20 = 1,339,114.40/x
  3. Step 3: Cross multiply
    1,400,544.80x = 2,100,817.20 × 1,339,114.40
  4. Step 4: Simplify right side
    1,400,544.80x = 2,813,234,564,287.68
  5. Step 5: Solve for x
    x = 2,813,234,564,287.68/1,400,544.80
  6. Step 6: Final answer
    x = 2,008,671.60

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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.