Home / 6,378,672.80-9,568,009.20-2,119,271.60

Finding the Fourth Proportional to 6,378,672.80, 9,568,009.20 and 2,119,271.60

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Solution

The fourth proportional to 6,378,672.80, 9,568,009.20 and 2,119,271.60 is: 3,178,907.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,378,672.80 : 9,568,009.20 = 2,119,271.60 : x
  2. Step 2: Convert to fraction form
    6,378,672.80/9,568,009.20 = 2,119,271.60/x
  3. Step 3: Cross multiply
    6,378,672.80x = 9,568,009.20 × 2,119,271.60
  4. Step 4: Simplify right side
    6,378,672.80x = 20,277,210,166,098.72
  5. Step 5: Solve for x
    x = 20,277,210,166,098.72/6,378,672.80
  6. Step 6: Final answer
    x = 3,178,907.40

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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.