Home / 5,428,300.80-8,142,451.20-2,768,563.20

Finding the Fourth Proportional to 5,428,300.80, 8,142,451.20 and 2,768,563.20

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Solution

The fourth proportional to 5,428,300.80, 8,142,451.20 and 2,768,563.20 is: 4,152,844.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,428,300.80 : 8,142,451.20 = 2,768,563.20 : x
  2. Step 2: Convert to fraction form
    5,428,300.80/8,142,451.20 = 2,768,563.20/x
  3. Step 3: Cross multiply
    5,428,300.80x = 8,142,451.20 × 2,768,563.20
  4. Step 4: Simplify right side
    5,428,300.80x = 22,542,890,750,115.84
  5. Step 5: Solve for x
    x = 22,542,890,750,115.84/5,428,300.80
  6. Step 6: Final answer
    x = 4,152,844.80

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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.