Home / 1,980,080.64-2,732,513.94-1,074,662.64

Finding the Fourth Proportional to 1,980,080.64, 2,732,513.94 and 1,074,662.64

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Solution

The fourth proportional to 1,980,080.64, 2,732,513.94 and 1,074,662.64 is: 1,483,035.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,980,080.64 : 2,732,513.94 = 1,074,662.64 : x
  2. Step 2: Convert to fraction form
    1,980,080.64/2,732,513.94 = 1,074,662.64/x
  3. Step 3: Cross multiply
    1,980,080.64x = 2,732,513.94 × 1,074,662.64
  4. Step 4: Simplify right side
    1,980,080.64x = 2,936,530,644,597.20
  5. Step 5: Solve for x
    x = 2,936,530,644,597.20/1,980,080.64
  6. Step 6: Final answer
    x = 1,483,035.89

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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.