Home / 2,768,263.20-4,152,394.80-1,275,271.20

Finding the Fourth Proportional to 2,768,263.20, 4,152,394.80 and 1,275,271.20

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Solution

The fourth proportional to 2,768,263.20, 4,152,394.80 and 1,275,271.20 is: 1,912,906.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,768,263.20 : 4,152,394.80 = 1,275,271.20 : x
  2. Step 2: Convert to fraction form
    2,768,263.20/4,152,394.80 = 1,275,271.20/x
  3. Step 3: Cross multiply
    2,768,263.20x = 4,152,394.80 × 1,275,271.20
  4. Step 4: Simplify right side
    2,768,263.20x = 5,295,429,499,469.76
  5. Step 5: Solve for x
    x = 5,295,429,499,469.76/2,768,263.20
  6. Step 6: Final answer
    x = 1,912,906.80

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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.