Home / 4,378,341.60-6,553,515.60-3,118,629.60

Finding the Fourth Proportional to 4,378,341.60, 6,553,515.60 and 3,118,629.60

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Solution

The fourth proportional to 4,378,341.60, 6,553,515.60 and 3,118,629.60 is: 4,667,974.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,378,341.60 : 6,553,515.60 = 3,118,629.60 : x
  2. Step 2: Convert to fraction form
    4,378,341.60/6,553,515.60 = 3,118,629.60/x
  3. Step 3: Cross multiply
    4,378,341.60x = 6,553,515.60 × 3,118,629.60
  4. Step 4: Simplify right side
    4,378,341.60x = 20,437,987,734,221.76
  5. Step 5: Solve for x
    x = 20,437,987,734,221.76/4,378,341.60
  6. Step 6: Final answer
    x = 4,667,974.68

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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.