Home / 1,899,913.52-2,621,884.65-1,028,757.71

Finding the Fourth Proportional to 1,899,913.52, 2,621,884.65 and 1,028,757.71

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Solution

The fourth proportional to 1,899,913.52, 2,621,884.65 and 1,028,757.71 is: 1,419,687.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,899,913.52 : 2,621,884.65 = 1,028,757.71 : x
  2. Step 2: Convert to fraction form
    1,899,913.52/2,621,884.65 = 1,028,757.71/x
  3. Step 3: Cross multiply
    1,899,913.52x = 2,621,884.65 × 1,028,757.71
  4. Step 4: Simplify right side
    1,899,913.52x = 2,697,284,051,115.02
  5. Step 5: Solve for x
    x = 2,697,284,051,115.02/1,899,913.52
  6. Step 6: Final answer
    x = 1,419,687.80

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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.