Home / 3,138,936.40-4,708,404.60-2,509,080.40

Finding the Fourth Proportional to 3,138,936.40, 4,708,404.60 and 2,509,080.40

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Solution

The fourth proportional to 3,138,936.40, 4,708,404.60 and 2,509,080.40 is: 3,763,620.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,138,936.40 : 4,708,404.60 = 2,509,080.40 : x
  2. Step 2: Convert to fraction form
    3,138,936.40/4,708,404.60 = 2,509,080.40/x
  3. Step 3: Cross multiply
    3,138,936.40x = 4,708,404.60 × 2,509,080.40
  4. Step 4: Simplify right side
    3,138,936.40x = 11,813,765,697,129.84
  5. Step 5: Solve for x
    x = 11,813,765,697,129.84/3,138,936.40
  6. Step 6: Final answer
    x = 3,763,620.60

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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.