Home / 3,862,950.40-5,795,116.80-1,619,315.20

Finding the Fourth Proportional to 3,862,950.40, 5,795,116.80 and 1,619,315.20

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Solution

The fourth proportional to 3,862,950.40, 5,795,116.80 and 1,619,315.20 is: 2,429,262.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,862,950.40 : 5,795,116.80 = 1,619,315.20 : x
  2. Step 2: Convert to fraction form
    3,862,950.40/5,795,116.80 = 1,619,315.20/x
  3. Step 3: Cross multiply
    3,862,950.40x = 5,795,116.80 × 1,619,315.20
  4. Step 4: Simplify right side
    3,862,950.40x = 9,384,120,720,015.36
  5. Step 5: Solve for x
    x = 9,384,120,720,015.36/3,862,950.40
  6. Step 6: Final answer
    x = 2,429,262.55

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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.