Home / 2,928,048.30-4,040,132.28-1,839,689.28

Finding the Fourth Proportional to 2,928,048.30, 4,040,132.28 and 1,839,689.28

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Solution

The fourth proportional to 2,928,048.30, 4,040,132.28 and 1,839,689.28 is: 2,538,410.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,928,048.30 : 4,040,132.28 = 1,839,689.28 : x
  2. Step 2: Convert to fraction form
    2,928,048.30/4,040,132.28 = 1,839,689.28/x
  3. Step 3: Cross multiply
    2,928,048.30x = 4,040,132.28 × 1,839,689.28
  4. Step 4: Simplify right side
    2,928,048.30x = 7,432,588,045,297.96
  5. Step 5: Solve for x
    x = 7,432,588,045,297.96/2,928,048.30
  6. Step 6: Final answer
    x = 2,538,410.33

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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.