Home / 4,780,919.45-7,172,778.10-1,542,394.67

Finding the Fourth Proportional to 4,780,919.45, 7,172,778.10 and 1,542,394.67

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Solution

The fourth proportional to 4,780,919.45, 7,172,778.10 and 1,542,394.67 is: 2,314,043.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,780,919.45 : 7,172,778.10 = 1,542,394.67 : x
  2. Step 2: Convert to fraction form
    4,780,919.45/7,172,778.10 = 1,542,394.67/x
  3. Step 3: Cross multiply
    4,780,919.45x = 7,172,778.10 × 1,542,394.67
  4. Step 4: Simplify right side
    4,780,919.45x = 11,063,254,710,532.73
  5. Step 5: Solve for x
    x = 11,063,254,710,532.73/4,780,919.45
  6. Step 6: Final answer
    x = 2,314,043.32

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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.