Home / 3,782,432.48-5,219,732.04-2,150,840.12

Finding the Fourth Proportional to 3,782,432.48, 5,219,732.04 and 2,150,840.12

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Solution

The fourth proportional to 3,782,432.48, 5,219,732.04 and 2,150,840.12 is: 2,968,145.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,782,432.48 : 5,219,732.04 = 2,150,840.12 : x
  2. Step 2: Convert to fraction form
    3,782,432.48/5,219,732.04 = 2,150,840.12/x
  3. Step 3: Cross multiply
    3,782,432.48x = 5,219,732.04 × 2,150,840.12
  4. Step 4: Simplify right side
    3,782,432.48x = 11,226,809,087,281.45
  5. Step 5: Solve for x
    x = 11,226,809,087,281.45/3,782,432.48
  6. Step 6: Final answer
    x = 2,968,145.27

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1.5x scale

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.