Home / 1,980,137.53-2,732,589.84-1,074,719.53

Finding the Fourth Proportional to 1,980,137.53, 2,732,589.84 and 1,074,719.53

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Solution

The fourth proportional to 1,980,137.53, 2,732,589.84 and 1,074,719.53 is: 1,483,112.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,980,137.53 : 2,732,589.84 = 1,074,719.53 : x
  2. Step 2: Convert to fraction form
    1,980,137.53/2,732,589.84 = 1,074,719.53/x
  3. Step 3: Cross multiply
    1,980,137.53x = 2,732,589.84 × 1,074,719.53
  4. Step 4: Simplify right side
    1,980,137.53x = 2,936,767,668,527.58
  5. Step 5: Solve for x
    x = 2,936,767,668,527.58/1,980,137.53
  6. Step 6: Final answer
    x = 1,483,112.98

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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.