Home / 1,980,178.64-2,732,649-1,074,760.88

Finding the Fourth Proportional to 1,980,178.64, 2,732,649 and 1,074,760.88

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Solution

The fourth proportional to 1,980,178.64, 2,732,649 and 1,074,760.88 is: 1,483,171.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,980,178.64 : 2,732,649 = 1,074,760.88 : x
  2. Step 2: Convert to fraction form
    1,980,178.64/2,732,649 = 1,074,760.88/x
  3. Step 3: Cross multiply
    1,980,178.64x = 2,732,649 × 1,074,760.88
  4. Step 4: Simplify right side
    1,980,178.64x = 2,936,944,243,971.12
  5. Step 5: Solve for x
    x = 2,936,944,243,971.12/1,980,178.64
  6. Step 6: Final answer
    x = 1,483,171.36

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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.