Home / 1,963,660.80-2,943,417.60-1,120,396.80

Finding the Fourth Proportional to 1,963,660.80, 2,943,417.60 and 1,120,396.80

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Solution

The fourth proportional to 1,963,660.80, 2,943,417.60 and 1,120,396.80 is: 1,679,412.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,963,660.80 : 2,943,417.60 = 1,120,396.80 : x
  2. Step 2: Convert to fraction form
    1,963,660.80/2,943,417.60 = 1,120,396.80/x
  3. Step 3: Cross multiply
    1,963,660.80x = 2,943,417.60 × 1,120,396.80
  4. Step 4: Simplify right side
    1,963,660.80x = 3,297,795,660,103.68
  5. Step 5: Solve for x
    x = 3,297,795,660,103.68/1,963,660.80
  6. Step 6: Final answer
    x = 1,679,412.08

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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.