Home / 2,180,671.60-3,271,007.40-1,115,359.60

Finding the Fourth Proportional to 2,180,671.60, 3,271,007.40 and 1,115,359.60

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Solution

The fourth proportional to 2,180,671.60, 3,271,007.40 and 1,115,359.60 is: 1,673,039.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,180,671.60 : 3,271,007.40 = 1,115,359.60 : x
  2. Step 2: Convert to fraction form
    2,180,671.60/3,271,007.40 = 1,115,359.60/x
  3. Step 3: Cross multiply
    2,180,671.60x = 3,271,007.40 × 1,115,359.60
  4. Step 4: Simplify right side
    2,180,671.60x = 3,648,349,505,261.04
  5. Step 5: Solve for x
    x = 3,648,349,505,261.04/2,180,671.60
  6. Step 6: Final answer
    x = 1,673,039.40

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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.