Home / 3,948,917.88-5,918,898.93-1,814,591.77

Finding the Fourth Proportional to 3,948,917.88, 5,918,898.93 and 1,814,591.77

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Solution

The fourth proportional to 3,948,917.88, 5,918,898.93 and 1,814,591.77 is: 2,719,829.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,948,917.88 : 5,918,898.93 = 1,814,591.77 : x
  2. Step 2: Convert to fraction form
    3,948,917.88/5,918,898.93 = 1,814,591.77/x
  3. Step 3: Cross multiply
    3,948,917.88x = 5,918,898.93 × 1,814,591.77
  4. Step 4: Simplify right side
    3,948,917.88x = 10,740,385,285,839.81
  5. Step 5: Solve for x
    x = 10,740,385,285,839.81/3,948,917.88
  6. Step 6: Final answer
    x = 2,719,829.99

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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.