Home / 1,928,538.41-2,661,281.28-1,101,449.36

Finding the Fourth Proportional to 1,928,538.41, 2,661,281.28 and 1,101,449.36

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Solution

The fourth proportional to 1,928,538.41, 2,661,281.28 and 1,101,449.36 is: 1,519,942.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,928,538.41 : 2,661,281.28 = 1,101,449.36 : x
  2. Step 2: Convert to fraction form
    1,928,538.41/2,661,281.28 = 1,101,449.36/x
  3. Step 3: Cross multiply
    1,928,538.41x = 2,661,281.28 × 1,101,449.36
  4. Step 4: Simplify right side
    1,928,538.41x = 2,931,266,562,635.98
  5. Step 5: Solve for x
    x = 2,931,266,562,635.98/1,928,538.41
  6. Step 6: Final answer
    x = 1,519,942.02

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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.