Home / 4,698,855.20-7,048,288.83-1,287,171.80

Finding the Fourth Proportional to 4,698,855.20, 7,048,288.83 and 1,287,171.80

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Solution

The fourth proportional to 4,698,855.20, 7,048,288.83 and 1,287,171.80 is: 1,930,759.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,698,855.20 : 7,048,288.83 = 1,287,171.80 : x
  2. Step 2: Convert to fraction form
    4,698,855.20/7,048,288.83 = 1,287,171.80/x
  3. Step 3: Cross multiply
    4,698,855.20x = 7,048,288.83 × 1,287,171.80
  4. Step 4: Simplify right side
    4,698,855.20x = 9,072,358,584,989.55
  5. Step 5: Solve for x
    x = 9,072,358,584,989.55/4,698,855.20
  6. Step 6: Final answer
    x = 1,930,759.35

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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.