Home / 3,119,050.80-4,680,325.80-1,321,628.40

Finding the Fourth Proportional to 3,119,050.80, 4,680,325.80 and 1,321,628.40

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Solution

The fourth proportional to 3,119,050.80, 4,680,325.80 and 1,321,628.40 is: 1,983,183.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,119,050.80 : 4,680,325.80 = 1,321,628.40 : x
  2. Step 2: Convert to fraction form
    3,119,050.80/4,680,325.80 = 1,321,628.40/x
  3. Step 3: Cross multiply
    3,119,050.80x = 4,680,325.80 × 1,321,628.40
  4. Step 4: Simplify right side
    3,119,050.80x = 6,185,651,498,532.72
  5. Step 5: Solve for x
    x = 6,185,651,498,532.72/3,119,050.80
  6. Step 6: Final answer
    x = 1,983,183.95

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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.