Home / 3,228,303.87-4,454,729.73-1,987,717.19

Finding the Fourth Proportional to 3,228,303.87, 4,454,729.73 and 1,987,717.19

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Solution

The fourth proportional to 3,228,303.87, 4,454,729.73 and 1,987,717.19 is: 2,742,846.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,228,303.87 : 4,454,729.73 = 1,987,717.19 : x
  2. Step 2: Convert to fraction form
    3,228,303.87/4,454,729.73 = 1,987,717.19/x
  3. Step 3: Cross multiply
    3,228,303.87x = 4,454,729.73 × 1,987,717.19
  4. Step 4: Simplify right side
    3,228,303.87x = 8,854,742,838,851.41
  5. Step 5: Solve for x
    x = 8,854,742,838,851.41/3,228,303.87
  6. Step 6: Final answer
    x = 2,742,846.77

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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.