Home / 5,513,937.60-8,272,027.40-1,919,984.80

Finding the Fourth Proportional to 5,513,937.60, 8,272,027.40 and 1,919,984.80

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Solution

The fourth proportional to 5,513,937.60, 8,272,027.40 and 1,919,984.80 is: 2,880,367.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,513,937.60 : 8,272,027.40 = 1,919,984.80 : x
  2. Step 2: Convert to fraction form
    5,513,937.60/8,272,027.40 = 1,919,984.80/x
  3. Step 3: Cross multiply
    5,513,937.60x = 8,272,027.40 × 1,919,984.80
  4. Step 4: Simplify right side
    5,513,937.60x = 15,882,166,873,183.52
  5. Step 5: Solve for x
    x = 15,882,166,873,183.52/5,513,937.60
  6. Step 6: Final answer
    x = 2,880,367.54

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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.