Home / 1,916,860.53-2,645,178.49-1,100,489.68

Finding the Fourth Proportional to 1,916,860.53, 2,645,178.49 and 1,100,489.68

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Solution

The fourth proportional to 1,916,860.53, 2,645,178.49 and 1,100,489.68 is: 1,518,624.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,916,860.53 : 2,645,178.49 = 1,100,489.68 : x
  2. Step 2: Convert to fraction form
    1,916,860.53/2,645,178.49 = 1,100,489.68/x
  3. Step 3: Cross multiply
    1,916,860.53x = 2,645,178.49 × 1,100,489.68
  4. Step 4: Simplify right side
    1,916,860.53x = 2,910,991,630,002.98
  5. Step 5: Solve for x
    x = 2,910,991,630,002.98/1,916,860.53
  6. Step 6: Final answer
    x = 1,518,624.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.