Home / 1,980,182.64-2,732,654.52-1,074,764.88

Finding the Fourth Proportional to 1,980,182.64, 2,732,654.52 and 1,074,764.88

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Solution

The fourth proportional to 1,980,182.64, 2,732,654.52 and 1,074,764.88 is: 1,483,176.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,980,182.64 : 2,732,654.52 = 1,074,764.88 : x
  2. Step 2: Convert to fraction form
    1,980,182.64/2,732,654.52 = 1,074,764.88/x
  3. Step 3: Cross multiply
    1,980,182.64x = 2,732,654.52 × 1,074,764.88
  4. Step 4: Simplify right side
    1,980,182.64x = 2,936,961,107,269.26
  5. Step 5: Solve for x
    x = 2,936,961,107,269.26/1,980,182.64
  6. Step 6: Final answer
    x = 1,483,176.88

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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.