Home / 1,980,179.64-2,732,650.38-1,074,761.88

Finding the Fourth Proportional to 1,980,179.64, 2,732,650.38 and 1,074,761.88

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Solution

The fourth proportional to 1,980,179.64, 2,732,650.38 and 1,074,761.88 is: 1,483,172.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,980,179.64 : 2,732,650.38 = 1,074,761.88 : x
  2. Step 2: Convert to fraction form
    1,980,179.64/2,732,650.38 = 1,074,761.88/x
  3. Step 3: Cross multiply
    1,980,179.64x = 2,732,650.38 × 1,074,761.88
  4. Step 4: Simplify right side
    1,980,179.64x = 2,936,948,459,791.51
  5. Step 5: Solve for x
    x = 2,936,948,459,791.51/1,980,179.64
  6. Step 6: Final answer
    x = 1,483,172.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.