Home / 1,973,405.40-2,960,205.30-1,028,621.40

Finding the Fourth Proportional to 1,973,405.40, 2,960,205.30 and 1,028,621.40

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Solution

The fourth proportional to 1,973,405.40, 2,960,205.30 and 1,028,621.40 is: 1,542,982.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,973,405.40 : 2,960,205.30 = 1,028,621.40 : x
  2. Step 2: Convert to fraction form
    1,973,405.40/2,960,205.30 = 1,028,621.40/x
  3. Step 3: Cross multiply
    1,973,405.40x = 2,960,205.30 × 1,028,621.40
  4. Step 4: Simplify right side
    1,973,405.40x = 3,044,930,519,973.42
  5. Step 5: Solve for x
    x = 3,044,930,519,973.42/1,973,405.40
  6. Step 6: Final answer
    x = 1,542,982.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.